Home / 266,569.86-367,628.21-221,175.96

Finding the Fourth Proportional to 266,569.86, 367,628.21 and 221,175.96

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Solution

The fourth proportional to 266,569.86, 367,628.21 and 221,175.96 is: 305,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,569.86 : 367,628.21 = 221,175.96 : x
  2. Step 2: Convert to fraction form
    266,569.86/367,628.21 = 221,175.96/x
  3. Step 3: Cross multiply
    266,569.86x = 367,628.21 × 221,175.96
  4. Step 4: Simplify right side
    266,569.86x = 81,310,521,163.95
  5. Step 5: Solve for x
    x = 81,310,521,163.95/266,569.86
  6. Step 6: Final answer
    x = 305,025.19

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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.