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Finding the Fourth Proportional to 288,329.75, 397,893.47 and 159,277.11

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Solution

The fourth proportional to 288,329.75, 397,893.47 and 159,277.11 is: 219,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,329.75 : 397,893.47 = 159,277.11 : x
  2. Step 2: Convert to fraction form
    288,329.75/397,893.47 = 159,277.11/x
  3. Step 3: Cross multiply
    288,329.75x = 397,893.47 × 159,277.11
  4. Step 4: Simplify right side
    288,329.75x = 63,375,322,387.66
  5. Step 5: Solve for x
    x = 63,375,322,387.66/288,329.75
  6. Step 6: Final answer
    x = 219,801.54

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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.