Home / 318,412.95-439,472.61-182,538.06

Finding the Fourth Proportional to 318,412.95, 439,472.61 and 182,538.06

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Solution

The fourth proportional to 318,412.95, 439,472.61 and 182,538.06 is: 251,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,412.95 : 439,472.61 = 182,538.06 : x
  2. Step 2: Convert to fraction form
    318,412.95/439,472.61 = 182,538.06/x
  3. Step 3: Cross multiply
    318,412.95x = 439,472.61 × 182,538.06
  4. Step 4: Simplify right side
    318,412.95x = 80,220,476,517.90
  5. Step 5: Solve for x
    x = 80,220,476,517.90/318,412.95
  6. Step 6: Final answer
    x = 251,938.49

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1.5x scale

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.