Home / 231,721.20-347,614.20-98,600.40

Finding the Fourth Proportional to 231,721.20, 347,614.20 and 98,600.40

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Solution

The fourth proportional to 231,721.20, 347,614.20 and 98,600.40 is: 147,914.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,721.20 : 347,614.20 = 98,600.40 : x
  2. Step 2: Convert to fraction form
    231,721.20/347,614.20 = 98,600.40/x
  3. Step 3: Cross multiply
    231,721.20x = 347,614.20 × 98,600.40
  4. Step 4: Simplify right side
    231,721.20x = 34,274,899,165.68
  5. Step 5: Solve for x
    x = 34,274,899,165.68/231,721.20
  6. Step 6: Final answer
    x = 147,914.39

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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.