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Finding the Fourth Proportional to 364,981.70, 547,234.95 and 327,656.90

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Solution

The fourth proportional to 364,981.70, 547,234.95 and 327,656.90 is: 491,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,981.70 : 547,234.95 = 327,656.90 : x
  2. Step 2: Convert to fraction form
    364,981.70/547,234.95 = 327,656.90/x
  3. Step 3: Cross multiply
    364,981.70x = 547,234.95 × 327,656.90
  4. Step 4: Simplify right side
    364,981.70x = 179,305,307,288.66
  5. Step 5: Solve for x
    x = 179,305,307,288.66/364,981.70
  6. Step 6: Final answer
    x = 491,272.05

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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.