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Finding the Fourth Proportional to 330,754.44, 495,507.34 and 195,414.68

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Solution

The fourth proportional to 330,754.44, 495,507.34 and 195,414.68 is: 292,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,754.44 : 495,507.34 = 195,414.68 : x
  2. Step 2: Convert to fraction form
    330,754.44/495,507.34 = 195,414.68/x
  3. Step 3: Cross multiply
    330,754.44x = 495,507.34 × 195,414.68
  4. Step 4: Simplify right side
    330,754.44x = 96,829,404,829.14
  5. Step 5: Solve for x
    x = 96,829,404,829.14/330,754.44
  6. Step 6: Final answer
    x = 292,753.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.