Home / 303,628.15-454,943.73-103,839.54

Finding the Fourth Proportional to 303,628.15, 454,943.73 and 103,839.54

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Solution

The fourth proportional to 303,628.15, 454,943.73 and 103,839.54 is: 155,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,628.15 : 454,943.73 = 103,839.54 : x
  2. Step 2: Convert to fraction form
    303,628.15/454,943.73 = 103,839.54/x
  3. Step 3: Cross multiply
    303,628.15x = 454,943.73 × 103,839.54
  4. Step 4: Simplify right side
    303,628.15x = 47,241,146,511.72
  5. Step 5: Solve for x
    x = 47,241,146,511.72/303,628.15
  6. Step 6: Final answer
    x = 155,588.82

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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.