Home / 206,870.44-285,493.38-155,793.10

Finding the Fourth Proportional to 206,870.44, 285,493.38 and 155,793.10

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Solution

The fourth proportional to 206,870.44, 285,493.38 and 155,793.10 is: 215,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,870.44 : 285,493.38 = 155,793.10 : x
  2. Step 2: Convert to fraction form
    206,870.44/285,493.38 = 155,793.10/x
  3. Step 3: Cross multiply
    206,870.44x = 285,493.38 × 155,793.10
  4. Step 4: Simplify right side
    206,870.44x = 44,477,898,699.68
  5. Step 5: Solve for x
    x = 44,477,898,699.68/206,870.44
  6. Step 6: Final answer
    x = 215,003.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.