Home / 481,006.10-721,532.41-126,020.46

Finding the Fourth Proportional to 481,006.10, 721,532.41 and 126,020.46

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Solution

The fourth proportional to 481,006.10, 721,532.41 and 126,020.46 is: 189,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,006.10 : 721,532.41 = 126,020.46 : x
  2. Step 2: Convert to fraction form
    481,006.10/721,532.41 = 126,020.46/x
  3. Step 3: Cross multiply
    481,006.10x = 721,532.41 × 126,020.46
  4. Step 4: Simplify right side
    481,006.10x = 90,927,844,545.18
  5. Step 5: Solve for x
    x = 90,927,844,545.18/481,006.10
  6. Step 6: Final answer
    x = 189,036.78

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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.