Home / 206,043.18-309,016.23-56,247.84

Finding the Fourth Proportional to 206,043.18, 309,016.23 and 56,247.84

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Solution

The fourth proportional to 206,043.18, 309,016.23 and 56,247.84 is: 84,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,043.18 : 309,016.23 = 56,247.84 : x
  2. Step 2: Convert to fraction form
    206,043.18/309,016.23 = 56,247.84/x
  3. Step 3: Cross multiply
    206,043.18x = 309,016.23 × 56,247.84
  4. Step 4: Simplify right side
    206,043.18x = 17,381,495,462.44
  5. Step 5: Solve for x
    x = 17,381,495,462.44/206,043.18
  6. Step 6: Final answer
    x = 84,358.51

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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.