Home / 215,934.88-325,546.56-200,713.28

Finding the Fourth Proportional to 215,934.88, 325,546.56 and 200,713.28

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Solution

The fourth proportional to 215,934.88, 325,546.56 and 200,713.28 is: 302,598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,934.88 : 325,546.56 = 200,713.28 : x
  2. Step 2: Convert to fraction form
    215,934.88/325,546.56 = 200,713.28/x
  3. Step 3: Cross multiply
    215,934.88x = 325,546.56 × 200,713.28
  4. Step 4: Simplify right side
    215,934.88x = 65,341,517,850.32
  5. Step 5: Solve for x
    x = 65,341,517,850.32/215,934.88
  6. Step 6: Final answer
    x = 302,598.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.