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Finding the Fourth Proportional to 270,304.39, 373,005 and 149,438.62

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Solution

The fourth proportional to 270,304.39, 373,005 and 149,438.62 is: 206,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,304.39 : 373,005 = 149,438.62 : x
  2. Step 2: Convert to fraction form
    270,304.39/373,005 = 149,438.62/x
  3. Step 3: Cross multiply
    270,304.39x = 373,005 × 149,438.62
  4. Step 4: Simplify right side
    270,304.39x = 55,741,352,919.36
  5. Step 5: Solve for x
    x = 55,741,352,919.36/270,304.39
  6. Step 6: Final answer
    x = 206,216.97

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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.