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Finding the Fourth Proportional to 303,151.41, 454,601.97 and 103,487.88

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Solution

The fourth proportional to 303,151.41, 454,601.97 and 103,487.88 is: 155,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,151.41 : 454,601.97 = 103,487.88 : x
  2. Step 2: Convert to fraction form
    303,151.41/454,601.97 = 103,487.88/x
  3. Step 3: Cross multiply
    303,151.41x = 454,601.97 × 103,487.88
  4. Step 4: Simplify right side
    303,151.41x = 47,045,794,119.12
  5. Step 5: Solve for x
    x = 47,045,794,119.12/303,151.41
  6. Step 6: Final answer
    x = 155,189.10

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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.