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Finding the Fourth Proportional to 288,851.00, 398,606.93 and 159,786.11

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Solution

The fourth proportional to 288,851.00, 398,606.93 and 159,786.11 is: 220,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,851.00 : 398,606.93 = 159,786.11 : x
  2. Step 2: Convert to fraction form
    288,851.00/398,606.93 = 159,786.11/x
  3. Step 3: Cross multiply
    288,851.00x = 398,606.93 × 159,786.11
  4. Step 4: Simplify right side
    288,851.00x = 63,691,850,961.33
  5. Step 5: Solve for x
    x = 63,691,850,961.33/288,851.00
  6. Step 6: Final answer
    x = 220,500.71

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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.