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Finding the Fourth Proportional to 270,304.89, 373,005.69 and 149,439.12

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Solution

The fourth proportional to 270,304.89, 373,005.69 and 149,439.12 is: 206,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,304.89 : 373,005.69 = 149,439.12 : x
  2. Step 2: Convert to fraction form
    270,304.89/373,005.69 = 149,439.12/x
  3. Step 3: Cross multiply
    270,304.89x = 373,005.69 × 149,439.12
  4. Step 4: Simplify right side
    270,304.89x = 55,741,642,068.59
  5. Step 5: Solve for x
    x = 55,741,642,068.59/270,304.89
  6. Step 6: Final answer
    x = 206,217.66

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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.