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Finding the Fourth Proportional to 240,379.84, 331,722.50 and 132,945.90

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Solution

The fourth proportional to 240,379.84, 331,722.50 and 132,945.90 is: 183,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,379.84 : 331,722.50 = 132,945.90 : x
  2. Step 2: Convert to fraction form
    240,379.84/331,722.50 = 132,945.90/x
  3. Step 3: Cross multiply
    240,379.84x = 331,722.50 × 132,945.90
  4. Step 4: Simplify right side
    240,379.84x = 44,101,146,312.75
  5. Step 5: Solve for x
    x = 44,101,146,312.75/240,379.84
  6. Step 6: Final answer
    x = 183,464.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.