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Finding the Fourth Proportional to 251,422.68, 347,036.82 and 149,519.82

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Solution

The fourth proportional to 251,422.68, 347,036.82 and 149,519.82 is: 206,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,422.68 : 347,036.82 = 149,519.82 : x
  2. Step 2: Convert to fraction form
    251,422.68/347,036.82 = 149,519.82/x
  3. Step 3: Cross multiply
    251,422.68x = 347,036.82 × 149,519.82
  4. Step 4: Simplify right side
    251,422.68x = 51,888,882,859.77
  5. Step 5: Solve for x
    x = 51,888,882,859.77/251,422.68
  6. Step 6: Final answer
    x = 206,381.07

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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.