Home / 551,339.33-827,123.78-172,244.75

Finding the Fourth Proportional to 551,339.33, 827,123.78 and 172,244.75

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Solution

The fourth proportional to 551,339.33, 827,123.78 and 172,244.75 is: 258,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,339.33 : 827,123.78 = 172,244.75 : x
  2. Step 2: Convert to fraction form
    551,339.33/827,123.78 = 172,244.75/x
  3. Step 3: Cross multiply
    551,339.33x = 827,123.78 × 172,244.75
  4. Step 4: Simplify right side
    551,339.33x = 142,467,725,000.15
  5. Step 5: Solve for x
    x = 142,467,725,000.15/551,339.33
  6. Step 6: Final answer
    x = 258,402.98

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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.