Home / 231,319.60-347,260.20-147,079.60

Finding the Fourth Proportional to 231,319.60, 347,260.20 and 147,079.60

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Solution

The fourth proportional to 231,319.60, 347,260.20 and 147,079.60 is: 220,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,319.60 : 347,260.20 = 147,079.60 : x
  2. Step 2: Convert to fraction form
    231,319.60/347,260.20 = 147,079.60/x
  3. Step 3: Cross multiply
    231,319.60x = 347,260.20 × 147,079.60
  4. Step 4: Simplify right side
    231,319.60x = 51,074,891,311.92
  5. Step 5: Solve for x
    x = 51,074,891,311.92/231,319.60
  6. Step 6: Final answer
    x = 220,797.94

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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.