Home / 268,538.25-402,721.38-88,583.40

Finding the Fourth Proportional to 268,538.25, 402,721.38 and 88,583.40

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Solution

The fourth proportional to 268,538.25, 402,721.38 and 88,583.40 is: 132,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,538.25 : 402,721.38 = 88,583.40 : x
  2. Step 2: Convert to fraction form
    268,538.25/402,721.38 = 88,583.40/x
  3. Step 3: Cross multiply
    268,538.25x = 402,721.38 × 88,583.40
  4. Step 4: Simplify right side
    268,538.25x = 35,674,429,093.09
  5. Step 5: Solve for x
    x = 35,674,429,093.09/268,538.25
  6. Step 6: Final answer
    x = 132,846.73

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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.