Home / 496,121.87-743,739.74-180,356.33

Finding the Fourth Proportional to 496,121.87, 743,739.74 and 180,356.33

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Solution

The fourth proportional to 496,121.87, 743,739.74 and 180,356.33 is: 270,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,121.87 : 743,739.74 = 180,356.33 : x
  2. Step 2: Convert to fraction form
    496,121.87/743,739.74 = 180,356.33/x
  3. Step 3: Cross multiply
    496,121.87x = 743,739.74 × 180,356.33
  4. Step 4: Simplify right side
    496,121.87x = 134,138,169,079.77
  5. Step 5: Solve for x
    x = 134,138,169,079.77/496,121.87
  6. Step 6: Final answer
    x = 270,373.42

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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.