Home / 266,326.20-399,489.30-224,335.80

Finding the Fourth Proportional to 266,326.20, 399,489.30 and 224,335.80

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Solution

The fourth proportional to 266,326.20, 399,489.30 and 224,335.80 is: 336,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,326.20 : 399,489.30 = 224,335.80 : x
  2. Step 2: Convert to fraction form
    266,326.20/399,489.30 = 224,335.80/x
  3. Step 3: Cross multiply
    266,326.20x = 399,489.30 × 224,335.80
  4. Step 4: Simplify right side
    266,326.20x = 89,619,751,706.94
  5. Step 5: Solve for x
    x = 89,619,751,706.94/266,326.20
  6. Step 6: Final answer
    x = 336,503.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.