Home / 551,336.28-827,170.44-172,241.70

Finding the Fourth Proportional to 551,336.28, 827,170.44 and 172,241.70

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Solution

The fourth proportional to 551,336.28, 827,170.44 and 172,241.70 is: 258,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,336.28 : 827,170.44 = 172,241.70 : x
  2. Step 2: Convert to fraction form
    551,336.28/827,170.44 = 172,241.70/x
  3. Step 3: Cross multiply
    551,336.28x = 827,170.44 × 172,241.70
  4. Step 4: Simplify right side
    551,336.28x = 142,473,242,775.35
  5. Step 5: Solve for x
    x = 142,473,242,775.35/551,336.28
  6. Step 6: Final answer
    x = 258,414.42

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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.