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Finding the Fourth Proportional to 288,367.54, 397,889.49 and 161,023.54

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Solution

The fourth proportional to 288,367.54, 397,889.49 and 161,023.54 is: 222,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,367.54 : 397,889.49 = 161,023.54 : x
  2. Step 2: Convert to fraction form
    288,367.54/397,889.49 = 161,023.54/x
  3. Step 3: Cross multiply
    288,367.54x = 397,889.49 × 161,023.54
  4. Step 4: Simplify right side
    288,367.54x = 64,069,574,208.59
  5. Step 5: Solve for x
    x = 64,069,574,208.59/288,367.54
  6. Step 6: Final answer
    x = 222,180.26

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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.