Home / 318,515.31-439,540.11-175,261.95

Finding the Fourth Proportional to 318,515.31, 439,540.11 and 175,261.95

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Solution

The fourth proportional to 318,515.31, 439,540.11 and 175,261.95 is: 241,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,515.31 : 439,540.11 = 175,261.95 : x
  2. Step 2: Convert to fraction form
    318,515.31/439,540.11 = 175,261.95/x
  3. Step 3: Cross multiply
    318,515.31x = 439,540.11 × 175,261.95
  4. Step 4: Simplify right side
    318,515.31x = 77,034,656,781.81
  5. Step 5: Solve for x
    x = 77,034,656,781.81/318,515.31
  6. Step 6: Final answer
    x = 241,855.43

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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.