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Finding the Fourth Proportional to 332,351.38, 458,642.56 and 181,448.38

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Solution

The fourth proportional to 332,351.38, 458,642.56 and 181,448.38 is: 250,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,351.38 : 458,642.56 = 181,448.38 : x
  2. Step 2: Convert to fraction form
    332,351.38/458,642.56 = 181,448.38/x
  3. Step 3: Cross multiply
    332,351.38x = 458,642.56 × 181,448.38
  4. Step 4: Simplify right side
    332,351.38x = 83,219,949,511.05
  5. Step 5: Solve for x
    x = 83,219,949,511.05/332,351.38
  6. Step 6: Final answer
    x = 250,397.48

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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.