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Finding the Fourth Proportional to 269,690.32, 404,579.36 and 101,223.88

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Solution

The fourth proportional to 269,690.32, 404,579.36 and 101,223.88 is: 151,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,690.32 : 404,579.36 = 101,223.88 : x
  2. Step 2: Convert to fraction form
    269,690.32/404,579.36 = 101,223.88/x
  3. Step 3: Cross multiply
    269,690.32x = 404,579.36 × 101,223.88
  4. Step 4: Simplify right side
    269,690.32x = 40,953,092,587.12
  5. Step 5: Solve for x
    x = 40,953,092,587.12/269,690.32
  6. Step 6: Final answer
    x = 151,852.29

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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.