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Finding the Fourth Proportional to 257,773.98, 386,567.97 and 89,248.62

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Solution

The fourth proportional to 257,773.98, 386,567.97 and 89,248.62 is: 133,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,773.98 : 386,567.97 = 89,248.62 : x
  2. Step 2: Convert to fraction form
    257,773.98/386,567.97 = 89,248.62/x
  3. Step 3: Cross multiply
    257,773.98x = 386,567.97 × 89,248.62
  4. Step 4: Simplify right side
    257,773.98x = 34,500,657,858.70
  5. Step 5: Solve for x
    x = 34,500,657,858.70/257,773.98
  6. Step 6: Final answer
    x = 133,840.73

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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.