Home / 398,965.98-550,497.85-237,836.02

Finding the Fourth Proportional to 398,965.98, 550,497.85 and 237,836.02

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Solution

The fourth proportional to 398,965.98, 550,497.85 and 237,836.02 is: 328,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,965.98 : 550,497.85 = 237,836.02 : x
  2. Step 2: Convert to fraction form
    398,965.98/550,497.85 = 237,836.02/x
  3. Step 3: Cross multiply
    398,965.98x = 550,497.85 × 237,836.02
  4. Step 4: Simplify right side
    398,965.98x = 130,928,217,662.56
  5. Step 5: Solve for x
    x = 130,928,217,662.56/398,965.98
  6. Step 6: Final answer
    x = 328,168.88

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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.