Home / 228,566.25-342,783.18-68,635.73

Finding the Fourth Proportional to 228,566.25, 342,783.18 and 68,635.73

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Solution

The fourth proportional to 228,566.25, 342,783.18 and 68,635.73 is: 102,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,566.25 : 342,783.18 = 68,635.73 : x
  2. Step 2: Convert to fraction form
    228,566.25/342,783.18 = 68,635.73/x
  3. Step 3: Cross multiply
    228,566.25x = 342,783.18 × 68,635.73
  4. Step 4: Simplify right side
    228,566.25x = 23,527,172,077.11
  5. Step 5: Solve for x
    x = 23,527,172,077.11/228,566.25
  6. Step 6: Final answer
    x = 102,933.71

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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.