Home / 297,948.11-411,176.50-161,991.20

Finding the Fourth Proportional to 297,948.11, 411,176.50 and 161,991.20

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Solution

The fourth proportional to 297,948.11, 411,176.50 and 161,991.20 is: 223,552.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,948.11 : 411,176.50 = 161,991.20 : x
  2. Step 2: Convert to fraction form
    297,948.11/411,176.50 = 161,991.20/x
  3. Step 3: Cross multiply
    297,948.11x = 411,176.50 × 161,991.20
  4. Step 4: Simplify right side
    297,948.11x = 66,606,976,759.18
  5. Step 5: Solve for x
    x = 66,606,976,759.18/297,948.11
  6. Step 6: Final answer
    x = 223,552.27

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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.