Home / 303,269.09-454,454.36-123,135.47

Finding the Fourth Proportional to 303,269.09, 454,454.36 and 123,135.47

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Solution

The fourth proportional to 303,269.09, 454,454.36 and 123,135.47 is: 184,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,269.09 : 454,454.36 = 123,135.47 : x
  2. Step 2: Convert to fraction form
    303,269.09/454,454.36 = 123,135.47/x
  3. Step 3: Cross multiply
    303,269.09x = 454,454.36 × 123,135.47
  4. Step 4: Simplify right side
    303,269.09x = 55,959,448,324.20
  5. Step 5: Solve for x
    x = 55,959,448,324.20/303,269.09
  6. Step 6: Final answer
    x = 184,520.78

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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.