Home / 491,039.12-736,589.80-154,093.07

Finding the Fourth Proportional to 491,039.12, 736,589.80 and 154,093.07

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Solution

The fourth proportional to 491,039.12, 736,589.80 and 154,093.07 is: 231,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,039.12 : 736,589.80 = 154,093.07 : x
  2. Step 2: Convert to fraction form
    491,039.12/736,589.80 = 154,093.07/x
  3. Step 3: Cross multiply
    491,039.12x = 736,589.80 × 154,093.07
  4. Step 4: Simplify right side
    491,039.12x = 113,503,380,314.97
  5. Step 5: Solve for x
    x = 113,503,380,314.97/491,039.12
  6. Step 6: Final answer
    x = 231,149.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.