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Finding the Fourth Proportional to 327,240.48, 490,806.05 and 90,607.08

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Solution

The fourth proportional to 327,240.48, 490,806.05 and 90,607.08 is: 135,895.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,240.48 : 490,806.05 = 90,607.08 : x
  2. Step 2: Convert to fraction form
    327,240.48/490,806.05 = 90,607.08/x
  3. Step 3: Cross multiply
    327,240.48x = 490,806.05 × 90,607.08
  4. Step 4: Simplify right side
    327,240.48x = 44,470,502,583.80
  5. Step 5: Solve for x
    x = 44,470,502,583.80/327,240.48
  6. Step 6: Final answer
    x = 135,895.48

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