Home / 206,846.88-310,288.18-57,087.19

Finding the Fourth Proportional to 206,846.88, 310,288.18 and 57,087.19

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Solution

The fourth proportional to 206,846.88, 310,288.18 and 57,087.19 is: 85,635.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,846.88 : 310,288.18 = 57,087.19 : x
  2. Step 2: Convert to fraction form
    206,846.88/310,288.18 = 57,087.19/x
  3. Step 3: Cross multiply
    206,846.88x = 310,288.18 × 57,087.19
  4. Step 4: Simplify right side
    206,846.88x = 17,713,480,286.41
  5. Step 5: Solve for x
    x = 17,713,480,286.41/206,846.88
  6. Step 6: Final answer
    x = 85,635.72

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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.