Home / 257,928.30-355,355.55-199,584.44

Finding the Fourth Proportional to 257,928.30, 355,355.55 and 199,584.44

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Solution

The fourth proportional to 257,928.30, 355,355.55 and 199,584.44 is: 274,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,928.30 : 355,355.55 = 199,584.44 : x
  2. Step 2: Convert to fraction form
    257,928.30/355,355.55 = 199,584.44/x
  3. Step 3: Cross multiply
    257,928.30x = 355,355.55 × 199,584.44
  4. Step 4: Simplify right side
    257,928.30x = 70,923,436,670.86
  5. Step 5: Solve for x
    x = 70,923,436,670.86/257,928.30
  6. Step 6: Final answer
    x = 274,973.46

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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.