Home / 239,881.49-331,034.15-132,449.24

Finding the Fourth Proportional to 239,881.49, 331,034.15 and 132,449.24

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Solution

The fourth proportional to 239,881.49, 331,034.15 and 132,449.24 is: 182,778.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,881.49 : 331,034.15 = 132,449.24 : x
  2. Step 2: Convert to fraction form
    239,881.49/331,034.15 = 132,449.24/x
  3. Step 3: Cross multiply
    239,881.49x = 331,034.15 × 132,449.24
  4. Step 4: Simplify right side
    239,881.49x = 43,845,219,264.13
  5. Step 5: Solve for x
    x = 43,845,219,264.13/239,881.49
  6. Step 6: Final answer
    x = 182,778.67

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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.