Home / 270,082.28-372,711.36-149,223.20

Finding the Fourth Proportional to 270,082.28, 372,711.36 and 149,223.20

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Solution

The fourth proportional to 270,082.28, 372,711.36 and 149,223.20 is: 205,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,082.28 : 372,711.36 = 149,223.20 : x
  2. Step 2: Convert to fraction form
    270,082.28/372,711.36 = 149,223.20/x
  3. Step 3: Cross multiply
    270,082.28x = 372,711.36 × 149,223.20
  4. Step 4: Simplify right side
    270,082.28x = 55,617,181,815.55
  5. Step 5: Solve for x
    x = 55,617,181,815.55/270,082.28
  6. Step 6: Final answer
    x = 205,926.81

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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.