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Finding the Fourth Proportional to 415,940.77, 573,998.26 and 224,954.16

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Solution

The fourth proportional to 415,940.77, 573,998.26 and 224,954.16 is: 310,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,940.77 : 573,998.26 = 224,954.16 : x
  2. Step 2: Convert to fraction form
    415,940.77/573,998.26 = 224,954.16/x
  3. Step 3: Cross multiply
    415,940.77x = 573,998.26 × 224,954.16
  4. Step 4: Simplify right side
    415,940.77x = 129,123,293,704.88
  5. Step 5: Solve for x
    x = 129,123,293,704.88/415,940.77
  6. Step 6: Final answer
    x = 310,436.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.