Home / 211,164.24-316,010.04-172,769.78

Finding the Fourth Proportional to 211,164.24, 316,010.04 and 172,769.78

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Solution

The fourth proportional to 211,164.24, 316,010.04 and 172,769.78 is: 258,552.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,164.24 : 316,010.04 = 172,769.78 : x
  2. Step 2: Convert to fraction form
    211,164.24/316,010.04 = 172,769.78/x
  3. Step 3: Cross multiply
    211,164.24x = 316,010.04 × 172,769.78
  4. Step 4: Simplify right side
    211,164.24x = 54,596,985,230.73
  5. Step 5: Solve for x
    x = 54,596,985,230.73/211,164.24
  6. Step 6: Final answer
    x = 258,552.23

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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.