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Finding the Fourth Proportional to 290,036, 400,249.80 and 176,882.24

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Solution

The fourth proportional to 290,036, 400,249.80 and 176,882.24 is: 244,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,036 : 400,249.80 = 176,882.24 : x
  2. Step 2: Convert to fraction form
    290,036/400,249.80 = 176,882.24/x
  3. Step 3: Cross multiply
    290,036x = 400,249.80 × 176,882.24
  4. Step 4: Simplify right side
    290,036x = 70,797,081,183.55
  5. Step 5: Solve for x
    x = 70,797,081,183.55/290,036
  6. Step 6: Final answer
    x = 244,097.56

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1.5x scale

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.