Home / 231,738.24-347,635.84-81,947.52

Finding the Fourth Proportional to 231,738.24, 347,635.84 and 81,947.52

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Solution

The fourth proportional to 231,738.24, 347,635.84 and 81,947.52 is: 122,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,738.24 : 347,635.84 = 81,947.52 : x
  2. Step 2: Convert to fraction form
    231,738.24/347,635.84 = 81,947.52/x
  3. Step 3: Cross multiply
    231,738.24x = 347,635.84 × 81,947.52
  4. Step 4: Simplify right side
    231,738.24x = 28,487,894,951.12
  5. Step 5: Solve for x
    x = 28,487,894,951.12/231,738.24
  6. Step 6: Final answer
    x = 122,931.35

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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.