Home / 261,949.52-392,996.81-104,288.69

Finding the Fourth Proportional to 261,949.52, 392,996.81 and 104,288.69

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Solution

The fourth proportional to 261,949.52, 392,996.81 and 104,288.69 is: 156,461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,949.52 : 392,996.81 = 104,288.69 : x
  2. Step 2: Convert to fraction form
    261,949.52/392,996.81 = 104,288.69/x
  3. Step 3: Cross multiply
    261,949.52x = 392,996.81 × 104,288.69
  4. Step 4: Simplify right side
    261,949.52x = 40,985,123,732.29
  5. Step 5: Solve for x
    x = 40,985,123,732.29/261,949.52
  6. Step 6: Final answer
    x = 156,461.91

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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.