Home / 445,251.24-667,884.15-129,725.46

Finding the Fourth Proportional to 445,251.24, 667,884.15 and 129,725.46

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Solution

The fourth proportional to 445,251.24, 667,884.15 and 129,725.46 is: 194,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,251.24 : 667,884.15 = 129,725.46 : x
  2. Step 2: Convert to fraction form
    445,251.24/667,884.15 = 129,725.46/x
  3. Step 3: Cross multiply
    445,251.24x = 667,884.15 × 129,725.46
  4. Step 4: Simplify right side
    445,251.24x = 86,641,578,585.46
  5. Step 5: Solve for x
    x = 86,641,578,585.46/445,251.24
  6. Step 6: Final answer
    x = 194,590.31

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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.