Home / 217,844.10-326,786.29-84,734.46

Finding the Fourth Proportional to 217,844.10, 326,786.29 and 84,734.46

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Solution

The fourth proportional to 217,844.10, 326,786.29 and 84,734.46 is: 127,109.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,844.10 : 326,786.29 = 84,734.46 : x
  2. Step 2: Convert to fraction form
    217,844.10/326,786.29 = 84,734.46/x
  3. Step 3: Cross multiply
    217,844.10x = 326,786.29 × 84,734.46
  4. Step 4: Simplify right side
    217,844.10x = 27,690,059,818.55
  5. Step 5: Solve for x
    x = 27,690,059,818.55/217,844.10
  6. Step 6: Final answer
    x = 127,109.52

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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.