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Finding the Fourth Proportional to 352,944.06, 486,727.56 and 232,187.64

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Solution

The fourth proportional to 352,944.06, 486,727.56 and 232,187.64 is: 320,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,944.06 : 486,727.56 = 232,187.64 : x
  2. Step 2: Convert to fraction form
    352,944.06/486,727.56 = 232,187.64/x
  3. Step 3: Cross multiply
    352,944.06x = 486,727.56 × 232,187.64
  4. Step 4: Simplify right side
    352,944.06x = 113,012,123,479.36
  5. Step 5: Solve for x
    x = 113,012,123,479.36/352,944.06
  6. Step 6: Final answer
    x = 320,198.40

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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.