Home / 235,826.88-325,031.04-205,422.72

Finding the Fourth Proportional to 235,826.88, 325,031.04 and 205,422.72

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Solution

The fourth proportional to 235,826.88, 325,031.04 and 205,422.72 is: 283,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,826.88 : 325,031.04 = 205,422.72 : x
  2. Step 2: Convert to fraction form
    235,826.88/325,031.04 = 205,422.72/x
  3. Step 3: Cross multiply
    235,826.88x = 325,031.04 × 205,422.72
  4. Step 4: Simplify right side
    235,826.88x = 66,768,760,321.23
  5. Step 5: Solve for x
    x = 66,768,760,321.23/235,826.88
  6. Step 6: Final answer
    x = 283,126.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.