Home / 269,868.48-405,049.68-136,840.56

Finding the Fourth Proportional to 269,868.48, 405,049.68 and 136,840.56

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Solution

The fourth proportional to 269,868.48, 405,049.68 and 136,840.56 is: 205,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,868.48 : 405,049.68 = 136,840.56 : x
  2. Step 2: Convert to fraction form
    269,868.48/405,049.68 = 136,840.56/x
  3. Step 3: Cross multiply
    269,868.48x = 405,049.68 × 136,840.56
  4. Step 4: Simplify right side
    269,868.48x = 55,427,225,039.02
  5. Step 5: Solve for x
    x = 55,427,225,039.02/269,868.48
  6. Step 6: Final answer
    x = 205,386.06

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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.