Home / 206,982.80-285,501.48-169,197.20

Finding the Fourth Proportional to 206,982.80, 285,501.48 and 169,197.20

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Solution

The fourth proportional to 206,982.80, 285,501.48 and 169,197.20 is: 233,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,982.80 : 285,501.48 = 169,197.20 : x
  2. Step 2: Convert to fraction form
    206,982.80/285,501.48 = 169,197.20/x
  3. Step 3: Cross multiply
    206,982.80x = 285,501.48 × 169,197.20
  4. Step 4: Simplify right side
    206,982.80x = 48,306,051,011.86
  5. Step 5: Solve for x
    x = 48,306,051,011.86/206,982.80
  6. Step 6: Final answer
    x = 233,381.96

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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.