Home / 206,869.34-310,297.80-57,118.76

Finding the Fourth Proportional to 206,869.34, 310,297.80 and 57,118.76

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Solution

The fourth proportional to 206,869.34, 310,297.80 and 57,118.76 is: 85,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,869.34 : 310,297.80 = 57,118.76 : x
  2. Step 2: Convert to fraction form
    206,869.34/310,297.80 = 57,118.76/x
  3. Step 3: Cross multiply
    206,869.34x = 310,297.80 × 57,118.76
  4. Step 4: Simplify right side
    206,869.34x = 17,723,825,566.73
  5. Step 5: Solve for x
    x = 17,723,825,566.73/206,869.34
  6. Step 6: Final answer
    x = 85,676.43

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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.