Home / 268,779.24-403,072.79-88,831.36

Finding the Fourth Proportional to 268,779.24, 403,072.79 and 88,831.36

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Solution

The fourth proportional to 268,779.24, 403,072.79 and 88,831.36 is: 133,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,779.24 : 403,072.79 = 88,831.36 : x
  2. Step 2: Convert to fraction form
    268,779.24/403,072.79 = 88,831.36/x
  3. Step 3: Cross multiply
    268,779.24x = 403,072.79 × 88,831.36
  4. Step 4: Simplify right side
    268,779.24x = 35,805,504,114.69
  5. Step 5: Solve for x
    x = 35,805,504,114.69/268,779.24
  6. Step 6: Final answer
    x = 133,215.29

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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.