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Finding the Fourth Proportional to 270,142.62, 372,795.39 and 149,292.30

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Solution

The fourth proportional to 270,142.62, 372,795.39 and 149,292.30 is: 206,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,142.62 : 372,795.39 = 149,292.30 : x
  2. Step 2: Convert to fraction form
    270,142.62/372,795.39 = 149,292.30/x
  3. Step 3: Cross multiply
    270,142.62x = 372,795.39 × 149,292.30
  4. Step 4: Simplify right side
    270,142.62x = 55,655,481,202.50
  5. Step 5: Solve for x
    x = 55,655,481,202.50/270,142.62
  6. Step 6: Final answer
    x = 206,022.59

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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.