Home / 303,110.12-454,711.88-103,383.84

Finding the Fourth Proportional to 303,110.12, 454,711.88 and 103,383.84

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Solution

The fourth proportional to 303,110.12, 454,711.88 and 103,383.84 is: 155,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,110.12 : 454,711.88 = 103,383.84 : x
  2. Step 2: Convert to fraction form
    303,110.12/454,711.88 = 103,383.84/x
  3. Step 3: Cross multiply
    303,110.12x = 454,711.88 × 103,383.84
  4. Step 4: Simplify right side
    303,110.12x = 47,009,857,793.48
  5. Step 5: Solve for x
    x = 47,009,857,793.48/303,110.12
  6. Step 6: Final answer
    x = 155,091.68

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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.