Home / 240,372.72-331,712.66-132,938.78

Finding the Fourth Proportional to 240,372.72, 331,712.66 and 132,938.78

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Solution

The fourth proportional to 240,372.72, 331,712.66 and 132,938.78 is: 183,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,372.72 : 331,712.66 = 132,938.78 : x
  2. Step 2: Convert to fraction form
    240,372.72/331,712.66 = 132,938.78/x
  3. Step 3: Cross multiply
    240,372.72x = 331,712.66 × 132,938.78
  4. Step 4: Simplify right side
    240,372.72x = 44,097,476,330.95
  5. Step 5: Solve for x
    x = 44,097,476,330.95/240,372.72
  6. Step 6: Final answer
    x = 183,454.58

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1.5x scale

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.