Home / 269,127.70-403,205.55-156,715.90

Finding the Fourth Proportional to 269,127.70, 403,205.55 and 156,715.90

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Solution

The fourth proportional to 269,127.70, 403,205.55 and 156,715.90 is: 234,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,127.70 : 403,205.55 = 156,715.90 : x
  2. Step 2: Convert to fraction form
    269,127.70/403,205.55 = 156,715.90/x
  3. Step 3: Cross multiply
    269,127.70x = 403,205.55 × 156,715.90
  4. Step 4: Simplify right side
    269,127.70x = 63,188,720,653.25
  5. Step 5: Solve for x
    x = 63,188,720,653.25/269,127.70
  6. Step 6: Final answer
    x = 234,790.85

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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.