Home / 303,628.41-454,944.10-103,839.79

Finding the Fourth Proportional to 303,628.41, 454,944.10 and 103,839.79

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Solution

The fourth proportional to 303,628.41, 454,944.10 and 103,839.79 is: 155,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,628.41 : 454,944.10 = 103,839.79 : x
  2. Step 2: Convert to fraction form
    303,628.41/454,944.10 = 103,839.79/x
  3. Step 3: Cross multiply
    303,628.41x = 454,944.10 × 103,839.79
  4. Step 4: Simplify right side
    303,628.41x = 47,241,299,805.74
  5. Step 5: Solve for x
    x = 47,241,299,805.74/303,628.41
  6. Step 6: Final answer
    x = 155,589.19

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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.