Home / 551,098.31-826,678.26-172,071.39

Finding the Fourth Proportional to 551,098.31, 826,678.26 and 172,071.39

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Solution

The fourth proportional to 551,098.31, 826,678.26 and 172,071.39 is: 258,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,098.31 : 826,678.26 = 172,071.39 : x
  2. Step 2: Convert to fraction form
    551,098.31/826,678.26 = 172,071.39/x
  3. Step 3: Cross multiply
    551,098.31x = 826,678.26 × 172,071.39
  4. Step 4: Simplify right side
    551,098.31x = 142,247,677,280.98
  5. Step 5: Solve for x
    x = 142,247,677,280.98/551,098.31
  6. Step 6: Final answer
    x = 258,116.70

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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.