Home / 377,517.15-520,996.14-216,382.65

Finding the Fourth Proportional to 377,517.15, 520,996.14 and 216,382.65

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Solution

The fourth proportional to 377,517.15, 520,996.14 and 216,382.65 is: 298,620.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,517.15 : 520,996.14 = 216,382.65 : x
  2. Step 2: Convert to fraction form
    377,517.15/520,996.14 = 216,382.65/x
  3. Step 3: Cross multiply
    377,517.15x = 520,996.14 × 216,382.65
  4. Step 4: Simplify right side
    377,517.15x = 112,734,525,412.97
  5. Step 5: Solve for x
    x = 112,734,525,412.97/377,517.15
  6. Step 6: Final answer
    x = 298,620.94

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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.