Home / 318,694.20-439,781.29-175,426.26

Finding the Fourth Proportional to 318,694.20, 439,781.29 and 175,426.26

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Solution

The fourth proportional to 318,694.20, 439,781.29 and 175,426.26 is: 242,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,694.20 : 439,781.29 = 175,426.26 : x
  2. Step 2: Convert to fraction form
    318,694.20/439,781.29 = 175,426.26/x
  3. Step 3: Cross multiply
    318,694.20x = 439,781.29 × 175,426.26
  4. Step 4: Simplify right side
    318,694.20x = 77,149,186,922.68
  5. Step 5: Solve for x
    x = 77,149,186,922.68/318,694.20
  6. Step 6: Final answer
    x = 242,079.04

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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.