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Finding the Fourth Proportional to 551,357.70, 827,180.55 and 177,389.70

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Solution

The fourth proportional to 551,357.70, 827,180.55 and 177,389.70 is: 266,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,357.70 : 827,180.55 = 177,389.70 : x
  2. Step 2: Convert to fraction form
    551,357.70/827,180.55 = 177,389.70/x
  3. Step 3: Cross multiply
    551,357.70x = 827,180.55 × 177,389.70
  4. Step 4: Simplify right side
    551,357.70x = 146,733,309,610.34
  5. Step 5: Solve for x
    x = 146,733,309,610.34/551,357.70
  6. Step 6: Final answer
    x = 266,130.88

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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.