Home / 239,860.36-331,005.18-132,428.11

Finding the Fourth Proportional to 239,860.36, 331,005.18 and 132,428.11

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Solution

The fourth proportional to 239,860.36, 331,005.18 and 132,428.11 is: 182,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,860.36 : 331,005.18 = 132,428.11 : x
  2. Step 2: Convert to fraction form
    239,860.36/331,005.18 = 132,428.11/x
  3. Step 3: Cross multiply
    239,860.36x = 331,005.18 × 132,428.11
  4. Step 4: Simplify right side
    239,860.36x = 43,834,390,387.61
  5. Step 5: Solve for x
    x = 43,834,390,387.61/239,860.36
  6. Step 6: Final answer
    x = 182,749.62

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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.