Home / 400,974.49-553,274.46-228,813.85

Finding the Fourth Proportional to 400,974.49, 553,274.46 and 228,813.85

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Solution

The fourth proportional to 400,974.49, 553,274.46 and 228,813.85 is: 315,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,974.49 : 553,274.46 = 228,813.85 : x
  2. Step 2: Convert to fraction form
    400,974.49/553,274.46 = 228,813.85/x
  3. Step 3: Cross multiply
    400,974.49x = 553,274.46 × 228,813.85
  4. Step 4: Simplify right side
    400,974.49x = 126,596,859,299.27
  5. Step 5: Solve for x
    x = 126,596,859,299.27/400,974.49
  6. Step 6: Final answer
    x = 315,722.98

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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.