Home / 261,865.98-392,066.82-141,491.61

Finding the Fourth Proportional to 261,865.98, 392,066.82 and 141,491.61

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Solution

The fourth proportional to 261,865.98, 392,066.82 and 141,491.61 is: 211,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,865.98 : 392,066.82 = 141,491.61 : x
  2. Step 2: Convert to fraction form
    261,865.98/392,066.82 = 141,491.61/x
  3. Step 3: Cross multiply
    261,865.98x = 392,066.82 × 141,491.61
  4. Step 4: Simplify right side
    261,865.98x = 55,474,165,589.38
  5. Step 5: Solve for x
    x = 55,474,165,589.38/261,865.98
  6. Step 6: Final answer
    x = 211,841.82

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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.