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Finding the Fourth Proportional to 539,649.89, 809,333.70 and 160,468.49

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Solution

The fourth proportional to 539,649.89, 809,333.70 and 160,468.49 is: 240,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,649.89 : 809,333.70 = 160,468.49 : x
  2. Step 2: Convert to fraction form
    539,649.89/809,333.70 = 160,468.49/x
  3. Step 3: Cross multiply
    539,649.89x = 809,333.70 × 160,468.49
  4. Step 4: Simplify right side
    539,649.89x = 129,872,556,745.11
  5. Step 5: Solve for x
    x = 129,872,556,745.11/539,649.89
  6. Step 6: Final answer
    x = 240,660.77

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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.