Home / 240,378.84-331,721.12-132,944.90

Finding the Fourth Proportional to 240,378.84, 331,721.12 and 132,944.90

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Solution

The fourth proportional to 240,378.84, 331,721.12 and 132,944.90 is: 183,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,378.84 : 331,721.12 = 132,944.90 : x
  2. Step 2: Convert to fraction form
    240,378.84/331,721.12 = 132,944.90/x
  3. Step 3: Cross multiply
    240,378.84x = 331,721.12 × 132,944.90
  4. Step 4: Simplify right side
    240,378.84x = 44,100,629,800.04
  5. Step 5: Solve for x
    x = 44,100,629,800.04/240,378.84
  6. Step 6: Final answer
    x = 183,463.03

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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.