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Finding the Fourth Proportional to 551,347.40, 827,021.10 and 177,408.20

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Solution

The fourth proportional to 551,347.40, 827,021.10 and 177,408.20 is: 266,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,347.40 : 827,021.10 = 177,408.20 : x
  2. Step 2: Convert to fraction form
    551,347.40/827,021.10 = 177,408.20/x
  3. Step 3: Cross multiply
    551,347.40x = 827,021.10 × 177,408.20
  4. Step 4: Simplify right side
    551,347.40x = 146,720,324,713.02
  5. Step 5: Solve for x
    x = 146,720,324,713.02/551,347.40
  6. Step 6: Final answer
    x = 266,112.30

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Similar ratio
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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.