Home / 303,026.40-454,499.28-219,186.72

Finding the Fourth Proportional to 303,026.40, 454,499.28 and 219,186.72

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Solution

The fourth proportional to 303,026.40, 454,499.28 and 219,186.72 is: 328,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,026.40 : 454,499.28 = 219,186.72 : x
  2. Step 2: Convert to fraction form
    303,026.40/454,499.28 = 219,186.72/x
  3. Step 3: Cross multiply
    303,026.40x = 454,499.28 × 219,186.72
  4. Step 4: Simplify right side
    303,026.40x = 99,620,206,425.56
  5. Step 5: Solve for x
    x = 99,620,206,425.56/303,026.40
  6. Step 6: Final answer
    x = 328,750.92

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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.