Home / 206,867.90-310,295.67-57,117.33

Finding the Fourth Proportional to 206,867.90, 310,295.67 and 57,117.33

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Solution

The fourth proportional to 206,867.90, 310,295.67 and 57,117.33 is: 85,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,867.90 : 310,295.67 = 57,117.33 : x
  2. Step 2: Convert to fraction form
    206,867.90/310,295.67 = 57,117.33/x
  3. Step 3: Cross multiply
    206,867.90x = 310,295.67 × 57,117.33
  4. Step 4: Simplify right side
    206,867.90x = 17,723,260,180.96
  5. Step 5: Solve for x
    x = 17,723,260,180.96/206,867.90
  6. Step 6: Final answer
    x = 85,674.29

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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.