Home / 551,143.12-826,714.79-172,096.38

Finding the Fourth Proportional to 551,143.12, 826,714.79 and 172,096.38

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Solution

The fourth proportional to 551,143.12, 826,714.79 and 172,096.38 is: 258,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,143.12 : 826,714.79 = 172,096.38 : x
  2. Step 2: Convert to fraction form
    551,143.12/826,714.79 = 172,096.38/x
  3. Step 3: Cross multiply
    551,143.12x = 826,714.79 × 172,096.38
  4. Step 4: Simplify right side
    551,143.12x = 142,274,622,651.46
  5. Step 5: Solve for x
    x = 142,274,622,651.46/551,143.12
  6. Step 6: Final answer
    x = 258,144.60

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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.