Home / 337,138.26-505,781.24-126,776.18

Finding the Fourth Proportional to 337,138.26, 505,781.24 and 126,776.18

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Solution

The fourth proportional to 337,138.26, 505,781.24 and 126,776.18 is: 190,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,138.26 : 505,781.24 = 126,776.18 : x
  2. Step 2: Convert to fraction form
    337,138.26/505,781.24 = 126,776.18/x
  3. Step 3: Cross multiply
    337,138.26x = 505,781.24 × 126,776.18
  4. Step 4: Simplify right side
    337,138.26x = 64,121,013,522.86
  5. Step 5: Solve for x
    x = 64,121,013,522.86/337,138.26
  6. Step 6: Final answer
    x = 190,192.04

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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.