Home / 206,569.76-285,326.10-170,402.27

Finding the Fourth Proportional to 206,569.76, 285,326.10 and 170,402.27

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Solution

The fourth proportional to 206,569.76, 285,326.10 and 170,402.27 is: 235,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,569.76 : 285,326.10 = 170,402.27 : x
  2. Step 2: Convert to fraction form
    206,569.76/285,326.10 = 170,402.27/x
  3. Step 3: Cross multiply
    206,569.76x = 285,326.10 × 170,402.27
  4. Step 4: Simplify right side
    206,569.76x = 48,620,213,703.62
  5. Step 5: Solve for x
    x = 48,620,213,703.62/206,569.76
  6. Step 6: Final answer
    x = 235,369.47

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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.