Home / 451,175.85-622,622.67-269,895.42

Finding the Fourth Proportional to 451,175.85, 622,622.67 and 269,895.42

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Solution

The fourth proportional to 451,175.85, 622,622.67 and 269,895.42 is: 372,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,175.85 : 622,622.67 = 269,895.42 : x
  2. Step 2: Convert to fraction form
    451,175.85/622,622.67 = 269,895.42/x
  3. Step 3: Cross multiply
    451,175.85x = 622,622.67 × 269,895.42
  4. Step 4: Simplify right side
    451,175.85x = 168,043,002,558.58
  5. Step 5: Solve for x
    x = 168,043,002,558.58/451,175.85
  6. Step 6: Final answer
    x = 372,455.67

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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.