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Finding the Fourth Proportional to 253,995.09, 380,245.24 and 169,545.78

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Solution

The fourth proportional to 253,995.09, 380,245.24 and 169,545.78 is: 253,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,995.09 : 380,245.24 = 169,545.78 : x
  2. Step 2: Convert to fraction form
    253,995.09/380,245.24 = 169,545.78/x
  3. Step 3: Cross multiply
    253,995.09x = 380,245.24 × 169,545.78
  4. Step 4: Simplify right side
    253,995.09x = 64,468,976,134.76
  5. Step 5: Solve for x
    x = 64,468,976,134.76/253,995.09
  6. Step 6: Final answer
    x = 253,819.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.