Home / 269,780.40-404,998.65-136,592.10

Finding the Fourth Proportional to 269,780.40, 404,998.65 and 136,592.10

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Solution

The fourth proportional to 269,780.40, 404,998.65 and 136,592.10 is: 205,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,780.40 : 404,998.65 = 136,592.10 : x
  2. Step 2: Convert to fraction form
    269,780.40/404,998.65 = 136,592.10/x
  3. Step 3: Cross multiply
    269,780.40x = 404,998.65 × 136,592.10
  4. Step 4: Simplify right side
    269,780.40x = 55,319,616,100.67
  5. Step 5: Solve for x
    x = 55,319,616,100.67/269,780.40
  6. Step 6: Final answer
    x = 205,054.24

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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.