Home / 400,622.74-552,890.08-228,544.49

Finding the Fourth Proportional to 400,622.74, 552,890.08 and 228,544.49

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Solution

The fourth proportional to 400,622.74, 552,890.08 and 228,544.49 is: 315,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,622.74 : 552,890.08 = 228,544.49 : x
  2. Step 2: Convert to fraction form
    400,622.74/552,890.08 = 228,544.49/x
  3. Step 3: Cross multiply
    400,622.74x = 552,890.08 × 228,544.49
  4. Step 4: Simplify right side
    400,622.74x = 126,359,981,359.66
  5. Step 5: Solve for x
    x = 126,359,981,359.66/400,622.74
  6. Step 6: Final answer
    x = 315,408.91

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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.