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Finding the Fourth Proportional to 244,659.64, 367,044.72 and 86,888.20

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Solution

The fourth proportional to 244,659.64, 367,044.72 and 86,888.20 is: 130,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,659.64 : 367,044.72 = 86,888.20 : x
  2. Step 2: Convert to fraction form
    244,659.64/367,044.72 = 86,888.20/x
  3. Step 3: Cross multiply
    244,659.64x = 367,044.72 × 86,888.20
  4. Step 4: Simplify right side
    244,659.64x = 31,891,855,040.30
  5. Step 5: Solve for x
    x = 31,891,855,040.30/244,659.64
  6. Step 6: Final answer
    x = 130,351.92

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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.