Home / 547,195.13-755,142.04-343,254.66

Finding the Fourth Proportional to 547,195.13, 755,142.04 and 343,254.66

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Solution

The fourth proportional to 547,195.13, 755,142.04 and 343,254.66 is: 473,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,195.13 : 755,142.04 = 343,254.66 : x
  2. Step 2: Convert to fraction form
    547,195.13/755,142.04 = 343,254.66/x
  3. Step 3: Cross multiply
    547,195.13x = 755,142.04 × 343,254.66
  4. Step 4: Simplify right side
    547,195.13x = 259,206,024,191.91
  5. Step 5: Solve for x
    x = 259,206,024,191.91/547,195.13
  6. Step 6: Final answer
    x = 473,699.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.