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Finding the Fourth Proportional to 539,645.88, 809,327.71 and 160,464.49

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Solution

The fourth proportional to 539,645.88, 809,327.71 and 160,464.49 is: 240,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,645.88 : 809,327.71 = 160,464.49 : x
  2. Step 2: Convert to fraction form
    539,645.88/809,327.71 = 160,464.49/x
  3. Step 3: Cross multiply
    539,645.88x = 809,327.71 × 160,464.49
  4. Step 4: Simplify right side
    539,645.88x = 129,868,358,228.02
  5. Step 5: Solve for x
    x = 129,868,358,228.02/539,645.88
  6. Step 6: Final answer
    x = 240,654.78

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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.