Home / 327,631.77-452,271.31-220,264.05

Finding the Fourth Proportional to 327,631.77, 452,271.31 and 220,264.05

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Solution

The fourth proportional to 327,631.77, 452,271.31 and 220,264.05 is: 304,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,631.77 : 452,271.31 = 220,264.05 : x
  2. Step 2: Convert to fraction form
    327,631.77/452,271.31 = 220,264.05/x
  3. Step 3: Cross multiply
    327,631.77x = 452,271.31 × 220,264.05
  4. Step 4: Simplify right side
    327,631.77x = 99,619,110,439.41
  5. Step 5: Solve for x
    x = 99,619,110,439.41/327,631.77
  6. Step 6: Final answer
    x = 304,058.15

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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.