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Finding the Fourth Proportional to 355,959.04, 491,216.92 and 194,810.88

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Solution

The fourth proportional to 355,959.04, 491,216.92 and 194,810.88 is: 268,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,959.04 : 491,216.92 = 194,810.88 : x
  2. Step 2: Convert to fraction form
    355,959.04/491,216.92 = 194,810.88/x
  3. Step 3: Cross multiply
    355,959.04x = 491,216.92 × 194,810.88
  4. Step 4: Simplify right side
    355,959.04x = 95,694,400,456.09
  5. Step 5: Solve for x
    x = 95,694,400,456.09/355,959.04
  6. Step 6: Final answer
    x = 268,835.43

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1.5x scale

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.