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Finding the Fourth Proportional to 251,710.60, 377,177.10 and 218,273.80

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Solution

The fourth proportional to 251,710.60, 377,177.10 and 218,273.80 is: 327,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,710.60 : 377,177.10 = 218,273.80 : x
  2. Step 2: Convert to fraction form
    251,710.60/377,177.10 = 218,273.80/x
  3. Step 3: Cross multiply
    251,710.60x = 377,177.10 × 218,273.80
  4. Step 4: Simplify right side
    251,710.60x = 82,327,878,889.98
  5. Step 5: Solve for x
    x = 82,327,878,889.98/251,710.60
  6. Step 6: Final answer
    x = 327,073.55

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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.