Home / 272,260.10-408,098.55-103,715.30

Finding the Fourth Proportional to 272,260.10, 408,098.55 and 103,715.30

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Solution

The fourth proportional to 272,260.10, 408,098.55 and 103,715.30 is: 155,461.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,260.10 : 408,098.55 = 103,715.30 : x
  2. Step 2: Convert to fraction form
    272,260.10/408,098.55 = 103,715.30/x
  3. Step 3: Cross multiply
    272,260.10x = 408,098.55 × 103,715.30
  4. Step 4: Simplify right side
    272,260.10x = 42,326,063,542.82
  5. Step 5: Solve for x
    x = 42,326,063,542.82/272,260.10
  6. Step 6: Final answer
    x = 155,461.87

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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.