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Finding the Fourth Proportional to 501,775.83, 752,663.88 and 221,489.91

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Solution

The fourth proportional to 501,775.83, 752,663.88 and 221,489.91 is: 332,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,775.83 : 752,663.88 = 221,489.91 : x
  2. Step 2: Convert to fraction form
    501,775.83/752,663.88 = 221,489.91/x
  3. Step 3: Cross multiply
    501,775.83x = 752,663.88 × 221,489.91
  4. Step 4: Simplify right side
    501,775.83x = 166,707,455,041.45
  5. Step 5: Solve for x
    x = 166,707,455,041.45/501,775.83
  6. Step 6: Final answer
    x = 332,234.92

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.