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Finding the Fourth Proportional to 303,628.53, 454,944.29 and 103,839.92

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Solution

The fourth proportional to 303,628.53, 454,944.29 and 103,839.92 is: 155,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,628.53 : 454,944.29 = 103,839.92 : x
  2. Step 2: Convert to fraction form
    303,628.53/454,944.29 = 103,839.92/x
  3. Step 3: Cross multiply
    303,628.53x = 454,944.29 × 103,839.92
  4. Step 4: Simplify right side
    303,628.53x = 47,241,376,403.34
  5. Step 5: Solve for x
    x = 47,241,376,403.34/303,628.53
  6. Step 6: Final answer
    x = 155,589.39

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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.