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Finding the Fourth Proportional to 501,434.72, 752,152.36 and 248,889.68

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Solution

The fourth proportional to 501,434.72, 752,152.36 and 248,889.68 is: 373,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,434.72 : 752,152.36 = 248,889.68 : x
  2. Step 2: Convert to fraction form
    501,434.72/752,152.36 = 248,889.68/x
  3. Step 3: Cross multiply
    501,434.72x = 752,152.36 × 248,889.68
  4. Step 4: Simplify right side
    501,434.72x = 187,202,960,191.65
  5. Step 5: Solve for x
    x = 187,202,960,191.65/501,434.72
  6. Step 6: Final answer
    x = 373,334.66

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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.