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Finding the Fourth Proportional to 239,772.88, 330,886.26 and 132,343

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Solution

The fourth proportional to 239,772.88, 330,886.26 and 132,343 is: 182,633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,772.88 : 330,886.26 = 132,343 : x
  2. Step 2: Convert to fraction form
    239,772.88/330,886.26 = 132,343/x
  3. Step 3: Cross multiply
    239,772.88x = 330,886.26 × 132,343
  4. Step 4: Simplify right side
    239,772.88x = 43,790,480,307.18
  5. Step 5: Solve for x
    x = 43,790,480,307.18/239,772.88
  6. Step 6: Final answer
    x = 182,633.17

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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.