Home / 551,156.20-826,734.90-218,732.20

Finding the Fourth Proportional to 551,156.20, 826,734.90 and 218,732.20

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Solution

The fourth proportional to 551,156.20, 826,734.90 and 218,732.20 is: 328,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,156.20 : 826,734.90 = 218,732.20 : x
  2. Step 2: Convert to fraction form
    551,156.20/826,734.90 = 218,732.20/x
  3. Step 3: Cross multiply
    551,156.20x = 826,734.90 × 218,732.20
  4. Step 4: Simplify right side
    551,156.20x = 180,833,543,493.78
  5. Step 5: Solve for x
    x = 180,833,543,493.78/551,156.20
  6. Step 6: Final answer
    x = 328,098.54

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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.