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Finding the Fourth Proportional to 253,910.32, 350,384.16 and 146,514.88

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Solution

The fourth proportional to 253,910.32, 350,384.16 and 146,514.88 is: 202,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,910.32 : 350,384.16 = 146,514.88 : x
  2. Step 2: Convert to fraction form
    253,910.32/350,384.16 = 146,514.88/x
  3. Step 3: Cross multiply
    253,910.32x = 350,384.16 × 146,514.88
  4. Step 4: Simplify right side
    253,910.32x = 51,336,493,156.30
  5. Step 5: Solve for x
    x = 51,336,493,156.30/253,910.32
  6. Step 6: Final answer
    x = 202,183.56

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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.