Home / 269,284.81-371,591.18-156,114.85

Finding the Fourth Proportional to 269,284.81, 371,591.18 and 156,114.85

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Solution

The fourth proportional to 269,284.81, 371,591.18 and 156,114.85 is: 215,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,284.81 : 371,591.18 = 156,114.85 : x
  2. Step 2: Convert to fraction form
    269,284.81/371,591.18 = 156,114.85/x
  3. Step 3: Cross multiply
    269,284.81x = 371,591.18 × 156,114.85
  4. Step 4: Simplify right side
    269,284.81x = 58,010,901,327.02
  5. Step 5: Solve for x
    x = 58,010,901,327.02/269,284.81
  6. Step 6: Final answer
    x = 215,425.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.