Home / 327,452.20-491,178.30-288,086.20

Finding the Fourth Proportional to 327,452.20, 491,178.30 and 288,086.20

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Solution

The fourth proportional to 327,452.20, 491,178.30 and 288,086.20 is: 432,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,452.20 : 491,178.30 = 288,086.20 : x
  2. Step 2: Convert to fraction form
    327,452.20/491,178.30 = 288,086.20/x
  3. Step 3: Cross multiply
    327,452.20x = 491,178.30 × 288,086.20
  4. Step 4: Simplify right side
    327,452.20x = 141,501,689,969.46
  5. Step 5: Solve for x
    x = 141,501,689,969.46/327,452.20
  6. Step 6: Final answer
    x = 432,129.30

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1.5x scale

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.