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Finding the Fourth Proportional to 400,161.63, 552,227.33 and 218,869.68

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Solution

The fourth proportional to 400,161.63, 552,227.33 and 218,869.68 is: 302,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,161.63 : 552,227.33 = 218,869.68 : x
  2. Step 2: Convert to fraction form
    400,161.63/552,227.33 = 218,869.68/x
  3. Step 3: Cross multiply
    400,161.63x = 552,227.33 × 218,869.68
  4. Step 4: Simplify right side
    400,161.63x = 120,865,821,153.60
  5. Step 5: Solve for x
    x = 120,865,821,153.60/400,161.63
  6. Step 6: Final answer
    x = 302,042.51

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1.5x scale

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.