Home / 204,476.10-306,714.15-115,902.60

Finding the Fourth Proportional to 204,476.10, 306,714.15 and 115,902.60

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Solution

The fourth proportional to 204,476.10, 306,714.15 and 115,902.60 is: 173,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,476.10 : 306,714.15 = 115,902.60 : x
  2. Step 2: Convert to fraction form
    204,476.10/306,714.15 = 115,902.60/x
  3. Step 3: Cross multiply
    204,476.10x = 306,714.15 × 115,902.60
  4. Step 4: Simplify right side
    204,476.10x = 35,548,967,441.79
  5. Step 5: Solve for x
    x = 35,548,967,441.79/204,476.10
  6. Step 6: Final answer
    x = 173,853.90

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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.