Home / 345,001.52-517,338.39-120,334.66

Finding the Fourth Proportional to 345,001.52, 517,338.39 and 120,334.66

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Solution

The fourth proportional to 345,001.52, 517,338.39 and 120,334.66 is: 180,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,001.52 : 517,338.39 = 120,334.66 : x
  2. Step 2: Convert to fraction form
    345,001.52/517,338.39 = 120,334.66/x
  3. Step 3: Cross multiply
    345,001.52x = 517,338.39 × 120,334.66
  4. Step 4: Simplify right side
    345,001.52x = 62,253,739,265.60
  5. Step 5: Solve for x
    x = 62,253,739,265.60/345,001.52
  6. Step 6: Final answer
    x = 180,444.83

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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.