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Finding the Fourth Proportional to 276,992.71, 382,249.34 and 149,668.30

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Solution

The fourth proportional to 276,992.71, 382,249.34 and 149,668.30 is: 206,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,992.71 : 382,249.34 = 149,668.30 : x
  2. Step 2: Convert to fraction form
    276,992.71/382,249.34 = 149,668.30/x
  3. Step 3: Cross multiply
    276,992.71x = 382,249.34 × 149,668.30
  4. Step 4: Simplify right side
    276,992.71x = 57,210,608,145.58
  5. Step 5: Solve for x
    x = 57,210,608,145.58/276,992.71
  6. Step 6: Final answer
    x = 206,541.93

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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.