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Finding the Fourth Proportional to 415,869.48, 573,900.30 and 224,882.82

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Solution

The fourth proportional to 415,869.48, 573,900.30 and 224,882.82 is: 310,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,869.48 : 573,900.30 = 224,882.82 : x
  2. Step 2: Convert to fraction form
    415,869.48/573,900.30 = 224,882.82/x
  3. Step 3: Cross multiply
    415,869.48x = 573,900.30 × 224,882.82
  4. Step 4: Simplify right side
    415,869.48x = 129,060,317,862.85
  5. Step 5: Solve for x
    x = 129,060,317,862.85/415,869.48
  6. Step 6: Final answer
    x = 310,338.52

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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.