Home / 415,215.90-572,997.93-224,229.27

Finding the Fourth Proportional to 415,215.90, 572,997.93 and 224,229.27

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Solution

The fourth proportional to 415,215.90, 572,997.93 and 224,229.27 is: 309,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,215.90 : 572,997.93 = 224,229.27 : x
  2. Step 2: Convert to fraction form
    415,215.90/572,997.93 = 224,229.27/x
  3. Step 3: Cross multiply
    415,215.90x = 572,997.93 × 224,229.27
  4. Step 4: Simplify right side
    415,215.90x = 128,482,907,555.41
  5. Step 5: Solve for x
    x = 128,482,907,555.41/415,215.90
  6. Step 6: Final answer
    x = 309,436.39

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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.