Home / 206,867.70-310,295.34-57,117.13

Finding the Fourth Proportional to 206,867.70, 310,295.34 and 57,117.13

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Solution

The fourth proportional to 206,867.70, 310,295.34 and 57,117.13 is: 85,673.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,867.70 : 310,295.34 = 57,117.13 : x
  2. Step 2: Convert to fraction form
    206,867.70/310,295.34 = 57,117.13/x
  3. Step 3: Cross multiply
    206,867.70x = 310,295.34 × 57,117.13
  4. Step 4: Simplify right side
    206,867.70x = 17,723,179,273.17
  5. Step 5: Solve for x
    x = 17,723,179,273.17/206,867.70
  6. Step 6: Final answer
    x = 85,673.98

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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.