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Finding the Fourth Proportional to 221,663.70, 332,398.35 and 88,499.70

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Solution

The fourth proportional to 221,663.70, 332,398.35 and 88,499.70 is: 132,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,663.70 : 332,398.35 = 88,499.70 : x
  2. Step 2: Convert to fraction form
    221,663.70/332,398.35 = 88,499.70/x
  3. Step 3: Cross multiply
    221,663.70x = 332,398.35 × 88,499.70
  4. Step 4: Simplify right side
    221,663.70x = 29,417,154,255.50
  5. Step 5: Solve for x
    x = 29,417,154,255.50/221,663.70
  6. Step 6: Final answer
    x = 132,710.74

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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.