Home / 224,542.78-309,342.67-156,436.56

Finding the Fourth Proportional to 224,542.78, 309,342.67 and 156,436.56

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Solution

The fourth proportional to 224,542.78, 309,342.67 and 156,436.56 is: 215,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,542.78 : 309,342.67 = 156,436.56 : x
  2. Step 2: Convert to fraction form
    224,542.78/309,342.67 = 156,436.56/x
  3. Step 3: Cross multiply
    224,542.78x = 309,342.67 × 156,436.56
  4. Step 4: Simplify right side
    224,542.78x = 48,392,502,764.92
  5. Step 5: Solve for x
    x = 48,392,502,764.92/224,542.78
  6. Step 6: Final answer
    x = 215,515.74

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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.