Home / 491,432.21-737,147.69-154,502.27

Finding the Fourth Proportional to 491,432.21, 737,147.69 and 154,502.27

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Solution

The fourth proportional to 491,432.21, 737,147.69 and 154,502.27 is: 231,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,432.21 : 737,147.69 = 154,502.27 : x
  2. Step 2: Convert to fraction form
    491,432.21/737,147.69 = 154,502.27/x
  3. Step 3: Cross multiply
    491,432.21x = 737,147.69 × 154,502.27
  4. Step 4: Simplify right side
    491,432.21x = 113,890,990,657.75
  5. Step 5: Solve for x
    x = 113,890,990,657.75/491,432.21
  6. Step 6: Final answer
    x = 231,753.21

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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.