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Finding the Fourth Proportional to 266,562.58, 399,909.51 and 187,830.58

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Solution

The fourth proportional to 266,562.58, 399,909.51 and 187,830.58 is: 281,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,562.58 : 399,909.51 = 187,830.58 : x
  2. Step 2: Convert to fraction form
    266,562.58/399,909.51 = 187,830.58/x
  3. Step 3: Cross multiply
    266,562.58x = 399,909.51 × 187,830.58
  4. Step 4: Simplify right side
    266,562.58x = 75,115,235,210.82
  5. Step 5: Solve for x
    x = 75,115,235,210.82/266,562.58
  6. Step 6: Final answer
    x = 281,792.12

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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.