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Finding the Fourth Proportional to 225,049.68, 337,281.30 and 201,218.40

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Solution

The fourth proportional to 225,049.68, 337,281.30 and 201,218.40 is: 301,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,049.68 : 337,281.30 = 201,218.40 : x
  2. Step 2: Convert to fraction form
    225,049.68/337,281.30 = 201,218.40/x
  3. Step 3: Cross multiply
    225,049.68x = 337,281.30 × 201,218.40
  4. Step 4: Simplify right side
    225,049.68x = 67,867,203,535.92
  5. Step 5: Solve for x
    x = 67,867,203,535.92/225,049.68
  6. Step 6: Final answer
    x = 301,565.43

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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.