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Finding the Fourth Proportional to 253,234.26, 349,506.33 and 145,866.54

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Solution

The fourth proportional to 253,234.26, 349,506.33 and 145,866.54 is: 201,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,234.26 : 349,506.33 = 145,866.54 : x
  2. Step 2: Convert to fraction form
    253,234.26/349,506.33 = 145,866.54/x
  3. Step 3: Cross multiply
    253,234.26x = 349,506.33 × 145,866.54
  4. Step 4: Simplify right side
    253,234.26x = 50,981,279,065.20
  5. Step 5: Solve for x
    x = 50,981,279,065.20/253,234.26
  6. Step 6: Final answer
    x = 201,320.62

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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.