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Finding the Fourth Proportional to 327,374.82, 490,896.12 and 149,729.61

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Solution

The fourth proportional to 327,374.82, 490,896.12 and 149,729.61 is: 224,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,374.82 : 490,896.12 = 149,729.61 : x
  2. Step 2: Convert to fraction form
    327,374.82/490,896.12 = 149,729.61/x
  3. Step 3: Cross multiply
    327,374.82x = 490,896.12 × 149,729.61
  4. Step 4: Simplify right side
    327,374.82x = 73,501,684,598.11
  5. Step 5: Solve for x
    x = 73,501,684,598.11/327,374.82
  6. Step 6: Final answer
    x = 224,518.44

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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.