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Finding the Fourth Proportional to 288,022.92, 397,542.78 and 174,940.44

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Solution

The fourth proportional to 288,022.92, 397,542.78 and 174,940.44 is: 241,461.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,022.92 : 397,542.78 = 174,940.44 : x
  2. Step 2: Convert to fraction form
    288,022.92/397,542.78 = 174,940.44/x
  3. Step 3: Cross multiply
    288,022.92x = 397,542.78 × 174,940.44
  4. Step 4: Simplify right side
    288,022.92x = 69,546,308,852.02
  5. Step 5: Solve for x
    x = 69,546,308,852.02/288,022.92
  6. Step 6: Final answer
    x = 241,461.02

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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.