Home / 206,646.16-309,932.85-56,850.29

Finding the Fourth Proportional to 206,646.16, 309,932.85 and 56,850.29

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Solution

The fourth proportional to 206,646.16, 309,932.85 and 56,850.29 is: 85,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,646.16 : 309,932.85 = 56,850.29 : x
  2. Step 2: Convert to fraction form
    206,646.16/309,932.85 = 56,850.29/x
  3. Step 3: Cross multiply
    206,646.16x = 309,932.85 × 56,850.29
  4. Step 4: Simplify right side
    206,646.16x = 17,619,772,403.03
  5. Step 5: Solve for x
    x = 17,619,772,403.03/206,646.16
  6. Step 6: Final answer
    x = 85,265.43

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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.