Home / 268,779.49-403,073.16-88,831.60

Finding the Fourth Proportional to 268,779.49, 403,073.16 and 88,831.60

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Solution

The fourth proportional to 268,779.49, 403,073.16 and 88,831.60 is: 133,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,779.49 : 403,073.16 = 88,831.60 : x
  2. Step 2: Convert to fraction form
    268,779.49/403,073.16 = 88,831.60/x
  3. Step 3: Cross multiply
    268,779.49x = 403,073.16 × 88,831.60
  4. Step 4: Simplify right side
    268,779.49x = 35,805,633,719.86
  5. Step 5: Solve for x
    x = 35,805,633,719.86/268,779.49
  6. Step 6: Final answer
    x = 133,215.65

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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.