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Finding the Fourth Proportional to 330,474, 456,053.20 and 179,571

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Solution

The fourth proportional to 330,474, 456,053.20 and 179,571 is: 247,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,474 : 456,053.20 = 179,571 : x
  2. Step 2: Convert to fraction form
    330,474/456,053.20 = 179,571/x
  3. Step 3: Cross multiply
    330,474x = 456,053.20 × 179,571
  4. Step 4: Simplify right side
    330,474x = 81,893,929,177.20
  5. Step 5: Solve for x
    x = 81,893,929,177.20/330,474
  6. Step 6: Final answer
    x = 247,807.48

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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.