Home / 377,531.52-520,993.20-207,765.64

Finding the Fourth Proportional to 377,531.52, 520,993.20 and 207,765.64

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Solution

The fourth proportional to 377,531.52, 520,993.20 and 207,765.64 is: 286,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,531.52 : 520,993.20 = 207,765.64 : x
  2. Step 2: Convert to fraction form
    377,531.52/520,993.20 = 207,765.64/x
  3. Step 3: Cross multiply
    377,531.52x = 520,993.20 × 207,765.64
  4. Step 4: Simplify right side
    377,531.52x = 108,244,485,633.65
  5. Step 5: Solve for x
    x = 108,244,485,633.65/377,531.52
  6. Step 6: Final answer
    x = 286,716.42

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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.