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Finding the Fourth Proportional to 221,735.71, 332,612.13 and 77,613.62

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Solution

The fourth proportional to 221,735.71, 332,612.13 and 77,613.62 is: 116,423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,735.71 : 332,612.13 = 77,613.62 : x
  2. Step 2: Convert to fraction form
    221,735.71/332,612.13 = 77,613.62/x
  3. Step 3: Cross multiply
    221,735.71x = 332,612.13 × 77,613.62
  4. Step 4: Simplify right side
    221,735.71x = 25,815,231,465.21
  5. Step 5: Solve for x
    x = 25,815,231,465.21/221,735.71
  6. Step 6: Final answer
    x = 116,423.43

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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.