Home / 290,569.82-400,824.45-270,019.85

Finding the Fourth Proportional to 290,569.82, 400,824.45 and 270,019.85

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Solution

The fourth proportional to 290,569.82, 400,824.45 and 270,019.85 is: 372,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,569.82 : 400,824.45 = 270,019.85 : x
  2. Step 2: Convert to fraction form
    290,569.82/400,824.45 = 270,019.85/x
  3. Step 3: Cross multiply
    290,569.82x = 400,824.45 × 270,019.85
  4. Step 4: Simplify right side
    290,569.82x = 108,230,555,861.21
  5. Step 5: Solve for x
    x = 108,230,555,861.21/290,569.82
  6. Step 6: Final answer
    x = 372,476.94

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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.