Home / 331,919.20-457,686.16-224,302.56

Finding the Fourth Proportional to 331,919.20, 457,686.16 and 224,302.56

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Solution

The fourth proportional to 331,919.20, 457,686.16 and 224,302.56 is: 309,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,919.20 : 457,686.16 = 224,302.56 : x
  2. Step 2: Convert to fraction form
    331,919.20/457,686.16 = 224,302.56/x
  3. Step 3: Cross multiply
    331,919.20x = 457,686.16 × 224,302.56
  4. Step 4: Simplify right side
    331,919.20x = 102,660,177,364.57
  5. Step 5: Solve for x
    x = 102,660,177,364.57/331,919.20
  6. Step 6: Final answer
    x = 309,292.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.