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Finding the Fourth Proportional to 331,350.60, 497,042.30 and 94,728.12

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Solution

The fourth proportional to 331,350.60, 497,042.30 and 94,728.12 is: 142,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,350.60 : 497,042.30 = 94,728.12 : x
  2. Step 2: Convert to fraction form
    331,350.60/497,042.30 = 94,728.12/x
  3. Step 3: Cross multiply
    331,350.60x = 497,042.30 × 94,728.12
  4. Step 4: Simplify right side
    331,350.60x = 47,083,882,639.48
  5. Step 5: Solve for x
    x = 47,083,882,639.48/331,350.60
  6. Step 6: Final answer
    x = 142,096.87

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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.