Home / 493,116.80-739,164.90-268,001.60

Finding the Fourth Proportional to 493,116.80, 739,164.90 and 268,001.60

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Solution

The fourth proportional to 493,116.80, 739,164.90 and 268,001.60 is: 401,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,116.80 : 739,164.90 = 268,001.60 : x
  2. Step 2: Convert to fraction form
    493,116.80/739,164.90 = 268,001.60/x
  3. Step 3: Cross multiply
    493,116.80x = 739,164.90 × 268,001.60
  4. Step 4: Simplify right side
    493,116.80x = 198,097,375,863.84
  5. Step 5: Solve for x
    x = 198,097,375,863.84/493,116.80
  6. Step 6: Final answer
    x = 401,725.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.