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Finding the Fourth Proportional to 341,273.70, 471,051.38 and 198,079.88

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Solution

The fourth proportional to 341,273.70, 471,051.38 and 198,079.88 is: 273,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,273.70 : 471,051.38 = 198,079.88 : x
  2. Step 2: Convert to fraction form
    341,273.70/471,051.38 = 198,079.88/x
  3. Step 3: Cross multiply
    341,273.70x = 471,051.38 × 198,079.88
  4. Step 4: Simplify right side
    341,273.70x = 93,305,798,964.18
  5. Step 5: Solve for x
    x = 93,305,798,964.18/341,273.70
  6. Step 6: Final answer
    x = 273,404.60

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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.