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Finding the Fourth Proportional to 220,599.29, 330,891.91 and 131,254.13

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Solution

The fourth proportional to 220,599.29, 330,891.91 and 131,254.13 is: 196,877.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,599.29 : 330,891.91 = 131,254.13 : x
  2. Step 2: Convert to fraction form
    220,599.29/330,891.91 = 131,254.13/x
  3. Step 3: Cross multiply
    220,599.29x = 330,891.91 × 131,254.13
  4. Step 4: Simplify right side
    220,599.29x = 43,430,929,771.09
  5. Step 5: Solve for x
    x = 43,430,929,771.09/220,599.29
  6. Step 6: Final answer
    x = 196,877.02

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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.