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Finding the Fourth Proportional to 330,818.62, 496,233.60 and 94,167.40

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Solution

The fourth proportional to 330,818.62, 496,233.60 and 94,167.40 is: 141,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,818.62 : 496,233.60 = 94,167.40 : x
  2. Step 2: Convert to fraction form
    330,818.62/496,233.60 = 94,167.40/x
  3. Step 3: Cross multiply
    330,818.62x = 496,233.60 × 94,167.40
  4. Step 4: Simplify right side
    330,818.62x = 46,729,027,904.64
  5. Step 5: Solve for x
    x = 46,729,027,904.64/330,818.62
  6. Step 6: Final answer
    x = 141,252.71

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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.