Home / 453,013.20-679,523.88-137,470.09

Finding the Fourth Proportional to 453,013.20, 679,523.88 and 137,470.09

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Solution

The fourth proportional to 453,013.20, 679,523.88 and 137,470.09 is: 206,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,013.20 : 679,523.88 = 137,470.09 : x
  2. Step 2: Convert to fraction form
    453,013.20/679,523.88 = 137,470.09/x
  3. Step 3: Cross multiply
    453,013.20x = 679,523.88 × 137,470.09
  4. Step 4: Simplify right side
    453,013.20x = 93,414,208,940.75
  5. Step 5: Solve for x
    x = 93,414,208,940.75/453,013.20
  6. Step 6: Final answer
    x = 206,206.37

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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.