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Finding the Fourth Proportional to 290,231.52, 400,497.52 and 162,882.52

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Solution

The fourth proportional to 290,231.52, 400,497.52 and 162,882.52 is: 224,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,231.52 : 400,497.52 = 162,882.52 : x
  2. Step 2: Convert to fraction form
    290,231.52/400,497.52 = 162,882.52/x
  3. Step 3: Cross multiply
    290,231.52x = 400,497.52 × 162,882.52
  4. Step 4: Simplify right side
    290,231.52x = 65,234,045,311.35
  5. Step 5: Solve for x
    x = 65,234,045,311.35/290,231.52
  6. Step 6: Final answer
    x = 224,765.54

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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.