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Finding the Fourth Proportional to 415,862.49, 573,890.85 and 224,875.89

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Solution

The fourth proportional to 415,862.49, 573,890.85 and 224,875.89 is: 310,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,862.49 : 573,890.85 = 224,875.89 : x
  2. Step 2: Convert to fraction form
    415,862.49/573,890.85 = 224,875.89/x
  3. Step 3: Cross multiply
    415,862.49x = 573,890.85 × 224,875.89
  4. Step 4: Simplify right side
    415,862.49x = 129,054,215,656.61
  5. Step 5: Solve for x
    x = 129,054,215,656.61/415,862.49
  6. Step 6: Final answer
    x = 310,329.06

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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.