Home / 336,996.28-505,353.88-137,181.02

Finding the Fourth Proportional to 336,996.28, 505,353.88 and 137,181.02

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Solution

The fourth proportional to 336,996.28, 505,353.88 and 137,181.02 is: 205,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,996.28 : 505,353.88 = 137,181.02 : x
  2. Step 2: Convert to fraction form
    336,996.28/505,353.88 = 137,181.02/x
  3. Step 3: Cross multiply
    336,996.28x = 505,353.88 × 137,181.02
  4. Step 4: Simplify right side
    336,996.28x = 69,324,961,639.79
  5. Step 5: Solve for x
    x = 69,324,961,639.79/336,996.28
  6. Step 6: Final answer
    x = 205,714.32

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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.