Home / 231,728.20-347,624.70-98,607.40

Finding the Fourth Proportional to 231,728.20, 347,624.70 and 98,607.40

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Solution

The fourth proportional to 231,728.20, 347,624.70 and 98,607.40 is: 147,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,728.20 : 347,624.70 = 98,607.40 : x
  2. Step 2: Convert to fraction form
    231,728.20/347,624.70 = 98,607.40/x
  3. Step 3: Cross multiply
    231,728.20x = 347,624.70 × 98,607.40
  4. Step 4: Simplify right side
    231,728.20x = 34,278,367,842.78
  5. Step 5: Solve for x
    x = 34,278,367,842.78/231,728.20
  6. Step 6: Final answer
    x = 147,924.89

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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.