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Finding the Fourth Proportional to 300,798.38, 415,062.18 and 179,895.54

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Solution

The fourth proportional to 300,798.38, 415,062.18 and 179,895.54 is: 248,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,798.38 : 415,062.18 = 179,895.54 : x
  2. Step 2: Convert to fraction form
    300,798.38/415,062.18 = 179,895.54/x
  3. Step 3: Cross multiply
    300,798.38x = 415,062.18 × 179,895.54
  4. Step 4: Simplify right side
    300,798.38x = 74,667,835,004.68
  5. Step 5: Solve for x
    x = 74,667,835,004.68/300,798.38
  6. Step 6: Final answer
    x = 248,232.17

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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.