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Finding the Fourth Proportional to 339,289.01, 468,276.42 and 196,132.04

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Solution

The fourth proportional to 339,289.01, 468,276.42 and 196,132.04 is: 270,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,289.01 : 468,276.42 = 196,132.04 : x
  2. Step 2: Convert to fraction form
    339,289.01/468,276.42 = 196,132.04/x
  3. Step 3: Cross multiply
    339,289.01x = 468,276.42 × 196,132.04
  4. Step 4: Simplify right side
    339,289.01x = 91,844,009,538.50
  5. Step 5: Solve for x
    x = 91,844,009,538.50/339,289.01
  6. Step 6: Final answer
    x = 270,695.50

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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.