Home / 366,375.12-505,910.92-275,574.16

Finding the Fourth Proportional to 366,375.12, 505,910.92 and 275,574.16

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Solution

The fourth proportional to 366,375.12, 505,910.92 and 275,574.16 is: 380,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,375.12 : 505,910.92 = 275,574.16 : x
  2. Step 2: Convert to fraction form
    366,375.12/505,910.92 = 275,574.16/x
  3. Step 3: Cross multiply
    366,375.12x = 505,910.92 × 275,574.16
  4. Step 4: Simplify right side
    366,375.12x = 139,415,976,813.83
  5. Step 5: Solve for x
    x = 139,415,976,813.83/366,375.12
  6. Step 6: Final answer
    x = 380,527.96

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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.