Home / 290,764.20-401,195.70-169,882.14

Finding the Fourth Proportional to 290,764.20, 401,195.70 and 169,882.14

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Solution

The fourth proportional to 290,764.20, 401,195.70 and 169,882.14 is: 234,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,764.20 : 401,195.70 = 169,882.14 : x
  2. Step 2: Convert to fraction form
    290,764.20/401,195.70 = 169,882.14/x
  3. Step 3: Cross multiply
    290,764.20x = 401,195.70 × 169,882.14
  4. Step 4: Simplify right side
    290,764.20x = 68,155,984,074.80
  5. Step 5: Solve for x
    x = 68,155,984,074.80/290,764.20
  6. Step 6: Final answer
    x = 234,402.94

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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.