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Finding the Fourth Proportional to 245,357.33, 338,532.62 and 149,829.17

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Solution

The fourth proportional to 245,357.33, 338,532.62 and 149,829.17 is: 206,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,357.33 : 338,532.62 = 149,829.17 : x
  2. Step 2: Convert to fraction form
    245,357.33/338,532.62 = 149,829.17/x
  3. Step 3: Cross multiply
    245,357.33x = 338,532.62 × 149,829.17
  4. Step 4: Simplify right side
    245,357.33x = 50,722,059,030.72
  5. Step 5: Solve for x
    x = 50,722,059,030.72/245,357.33
  6. Step 6: Final answer
    x = 206,727.31

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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.