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Finding the Fourth Proportional to 418,793.27, 577,932.09 and 227,807.42

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Solution

The fourth proportional to 418,793.27, 577,932.09 and 227,807.42 is: 314,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,793.27 : 577,932.09 = 227,807.42 : x
  2. Step 2: Convert to fraction form
    418,793.27/577,932.09 = 227,807.42/x
  3. Step 3: Cross multiply
    418,793.27x = 577,932.09 × 227,807.42
  4. Step 4: Simplify right side
    418,793.27x = 131,657,218,358.11
  5. Step 5: Solve for x
    x = 131,657,218,358.11/418,793.27
  6. Step 6: Final answer
    x = 314,372.81

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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.