Home / 226,543.20-339,598.80-84,350.40

Finding the Fourth Proportional to 226,543.20, 339,598.80 and 84,350.40

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Solution

The fourth proportional to 226,543.20, 339,598.80 and 84,350.40 is: 126,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,543.20 : 339,598.80 = 84,350.40 : x
  2. Step 2: Convert to fraction form
    226,543.20/339,598.80 = 84,350.40/x
  3. Step 3: Cross multiply
    226,543.20x = 339,598.80 × 84,350.40
  4. Step 4: Simplify right side
    226,543.20x = 28,645,294,619.52
  5. Step 5: Solve for x
    x = 28,645,294,619.52/226,543.20
  6. Step 6: Final answer
    x = 126,445.18

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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.