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Finding the Fourth Proportional to 225,216.53, 337,877.36 and 65,295.80

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Solution

The fourth proportional to 225,216.53, 337,877.36 and 65,295.80 is: 97,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,216.53 : 337,877.36 = 65,295.80 : x
  2. Step 2: Convert to fraction form
    225,216.53/337,877.36 = 65,295.80/x
  3. Step 3: Cross multiply
    225,216.53x = 337,877.36 × 65,295.80
  4. Step 4: Simplify right side
    225,216.53x = 22,061,972,523.09
  5. Step 5: Solve for x
    x = 22,061,972,523.09/225,216.53
  6. Step 6: Final answer
    x = 97,958.94

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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.