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Finding the Fourth Proportional to 239,774.88, 330,889.02 and 132,345

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Solution

The fourth proportional to 239,774.88, 330,889.02 and 132,345 is: 182,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,774.88 : 330,889.02 = 132,345 : x
  2. Step 2: Convert to fraction form
    239,774.88/330,889.02 = 132,345/x
  3. Step 3: Cross multiply
    239,774.88x = 330,889.02 × 132,345
  4. Step 4: Simplify right side
    239,774.88x = 43,791,507,351.90
  5. Step 5: Solve for x
    x = 43,791,507,351.90/239,774.88
  6. Step 6: Final answer
    x = 182,635.93

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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.