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Finding the Fourth Proportional to 303,452.76, 454,954.50 and 145,530.84

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Solution

The fourth proportional to 303,452.76, 454,954.50 and 145,530.84 is: 218,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,452.76 : 454,954.50 = 145,530.84 : x
  2. Step 2: Convert to fraction form
    303,452.76/454,954.50 = 145,530.84/x
  3. Step 3: Cross multiply
    303,452.76x = 454,954.50 × 145,530.84
  4. Step 4: Simplify right side
    303,452.76x = 66,209,910,546.78
  5. Step 5: Solve for x
    x = 66,209,910,546.78/303,452.76
  6. Step 6: Final answer
    x = 218,188.53

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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.