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Finding the Fourth Proportional to 362,154.28, 499,749.62 and 226,180.20

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Solution

The fourth proportional to 362,154.28, 499,749.62 and 226,180.20 is: 312,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,154.28 : 499,749.62 = 226,180.20 : x
  2. Step 2: Convert to fraction form
    362,154.28/499,749.62 = 226,180.20/x
  3. Step 3: Cross multiply
    362,154.28x = 499,749.62 × 226,180.20
  4. Step 4: Simplify right side
    362,154.28x = 113,033,469,001.52
  5. Step 5: Solve for x
    x = 113,033,469,001.52/362,154.28
  6. Step 6: Final answer
    x = 312,114.13

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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.