Home / 415,217.18-572,999.70-224,230.55

Finding the Fourth Proportional to 415,217.18, 572,999.70 and 224,230.55

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Solution

The fourth proportional to 415,217.18, 572,999.70 and 224,230.55 is: 309,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,217.18 : 572,999.70 = 224,230.55 : x
  2. Step 2: Convert to fraction form
    415,217.18/572,999.70 = 224,230.55/x
  3. Step 3: Cross multiply
    415,217.18x = 572,999.70 × 224,230.55
  4. Step 4: Simplify right side
    415,217.18x = 128,484,039,313.33
  5. Step 5: Solve for x
    x = 128,484,039,313.33/415,217.18
  6. Step 6: Final answer
    x = 309,438.16

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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.