Home / 453,302.20-679,953.30-137,718.10

Finding the Fourth Proportional to 453,302.20, 679,953.30 and 137,718.10

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Solution

The fourth proportional to 453,302.20, 679,953.30 and 137,718.10 is: 206,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,302.20 : 679,953.30 = 137,718.10 : x
  2. Step 2: Convert to fraction form
    453,302.20/679,953.30 = 137,718.10/x
  3. Step 3: Cross multiply
    453,302.20x = 679,953.30 × 137,718.10
  4. Step 4: Simplify right side
    453,302.20x = 93,641,876,564.73
  5. Step 5: Solve for x
    x = 93,641,876,564.73/453,302.20
  6. Step 6: Final answer
    x = 206,577.15

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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.