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Finding the Fourth Proportional to 239,959.56, 330,943.80 and 179,673.69

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Solution

The fourth proportional to 239,959.56, 330,943.80 and 179,673.69 is: 247,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,959.56 : 330,943.80 = 179,673.69 : x
  2. Step 2: Convert to fraction form
    239,959.56/330,943.80 = 179,673.69/x
  3. Step 3: Cross multiply
    239,959.56x = 330,943.80 × 179,673.69
  4. Step 4: Simplify right side
    239,959.56x = 59,461,893,728.62
  5. Step 5: Solve for x
    x = 59,461,893,728.62/239,959.56
  6. Step 6: Final answer
    x = 247,799.64

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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.