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Finding the Fourth Proportional to 408,900.30, 564,298.99 and 227,600.73

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Solution

The fourth proportional to 408,900.30, 564,298.99 and 227,600.73 is: 314,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,900.30 : 564,298.99 = 227,600.73 : x
  2. Step 2: Convert to fraction form
    408,900.30/564,298.99 = 227,600.73/x
  3. Step 3: Cross multiply
    408,900.30x = 564,298.99 × 227,600.73
  4. Step 4: Simplify right side
    408,900.30x = 128,434,862,062.26
  5. Step 5: Solve for x
    x = 128,434,862,062.26/408,900.30
  6. Step 6: Final answer
    x = 314,098.23

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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.