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Finding the Fourth Proportional to 303,325.56, 454,987.96 and 134,806.68

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Solution

The fourth proportional to 303,325.56, 454,987.96 and 134,806.68 is: 202,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,325.56 : 454,987.96 = 134,806.68 : x
  2. Step 2: Convert to fraction form
    303,325.56/454,987.96 = 134,806.68/x
  3. Step 3: Cross multiply
    303,325.56x = 454,987.96 × 134,806.68
  4. Step 4: Simplify right side
    303,325.56x = 61,335,416,327.57
  5. Step 5: Solve for x
    x = 61,335,416,327.57/303,325.56
  6. Step 6: Final answer
    x = 202,209.85

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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.