Home / 327,082.80-490,682.52-90,420.24

Finding the Fourth Proportional to 327,082.80, 490,682.52 and 90,420.24

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Solution

The fourth proportional to 327,082.80, 490,682.52 and 90,420.24 is: 135,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,082.80 : 490,682.52 = 90,420.24 : x
  2. Step 2: Convert to fraction form
    327,082.80/490,682.52 = 90,420.24/x
  3. Step 3: Cross multiply
    327,082.80x = 490,682.52 × 90,420.24
  4. Step 4: Simplify right side
    327,082.80x = 44,367,631,222.20
  5. Step 5: Solve for x
    x = 44,367,631,222.20/327,082.80
  6. Step 6: Final answer
    x = 135,646.48

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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.