Home / 381,460.20-526,439.97-220,322.04

Finding the Fourth Proportional to 381,460.20, 526,439.97 and 220,322.04

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Solution

The fourth proportional to 381,460.20, 526,439.97 and 220,322.04 is: 304,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,460.20 : 526,439.97 = 220,322.04 : x
  2. Step 2: Convert to fraction form
    381,460.20/526,439.97 = 220,322.04/x
  3. Step 3: Cross multiply
    381,460.20x = 526,439.97 × 220,322.04
  4. Step 4: Simplify right side
    381,460.20x = 115,986,328,127.94
  5. Step 5: Solve for x
    x = 115,986,328,127.94/381,460.20
  6. Step 6: Final answer
    x = 304,058.79

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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.