Home / 479,249.10-718,600.28-179,739.45

Finding the Fourth Proportional to 479,249.10, 718,600.28 and 179,739.45

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Solution

The fourth proportional to 479,249.10, 718,600.28 and 179,739.45 is: 269,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,249.10 : 718,600.28 = 179,739.45 : x
  2. Step 2: Convert to fraction form
    479,249.10/718,600.28 = 179,739.45/x
  3. Step 3: Cross multiply
    479,249.10x = 718,600.28 × 179,739.45
  4. Step 4: Simplify right side
    479,249.10x = 129,160,818,198.35
  5. Step 5: Solve for x
    x = 129,160,818,198.35/479,249.10
  6. Step 6: Final answer
    x = 269,506.65

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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.