Home / 303,629.41-454,945.60-103,840.79

Finding the Fourth Proportional to 303,629.41, 454,945.60 and 103,840.79

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Solution

The fourth proportional to 303,629.41, 454,945.60 and 103,840.79 is: 155,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,629.41 : 454,945.60 = 103,840.79 : x
  2. Step 2: Convert to fraction form
    303,629.41/454,945.60 = 103,840.79/x
  3. Step 3: Cross multiply
    303,629.41x = 454,945.60 × 103,840.79
  4. Step 4: Simplify right side
    303,629.41x = 47,241,910,511.02
  5. Step 5: Solve for x
    x = 47,241,910,511.02/303,629.41
  6. Step 6: Final answer
    x = 155,590.69

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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.