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Finding the Fourth Proportional to 324,873.57, 448,145.52 and 188,892.48

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Solution

The fourth proportional to 324,873.57, 448,145.52 and 188,892.48 is: 260,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,873.57 : 448,145.52 = 188,892.48 : x
  2. Step 2: Convert to fraction form
    324,873.57/448,145.52 = 188,892.48/x
  3. Step 3: Cross multiply
    324,873.57x = 448,145.52 × 188,892.48
  4. Step 4: Simplify right side
    324,873.57x = 84,651,318,673.69
  5. Step 5: Solve for x
    x = 84,651,318,673.69/324,873.57
  6. Step 6: Final answer
    x = 260,566.96

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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.