Home / 442,526.31-663,772.37-126,983.19

Finding the Fourth Proportional to 442,526.31, 663,772.37 and 126,983.19

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Solution

The fourth proportional to 442,526.31, 663,772.37 and 126,983.19 is: 190,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,526.31 : 663,772.37 = 126,983.19 : x
  2. Step 2: Convert to fraction form
    442,526.31/663,772.37 = 126,983.19/x
  3. Step 3: Cross multiply
    442,526.31x = 663,772.37 × 126,983.19
  4. Step 4: Simplify right side
    442,526.31x = 84,287,932,341.54
  5. Step 5: Solve for x
    x = 84,287,932,341.54/442,526.31
  6. Step 6: Final answer
    x = 190,469.88

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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.