Home / 336,996.40-505,354.07-137,181.15

Finding the Fourth Proportional to 336,996.40, 505,354.07 and 137,181.15

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Solution

The fourth proportional to 336,996.40, 505,354.07 and 137,181.15 is: 205,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,996.40 : 505,354.07 = 137,181.15 : x
  2. Step 2: Convert to fraction form
    336,996.40/505,354.07 = 137,181.15/x
  3. Step 3: Cross multiply
    336,996.40x = 505,354.07 × 137,181.15
  4. Step 4: Simplify right side
    336,996.40x = 69,325,052,479.78
  5. Step 5: Solve for x
    x = 69,325,052,479.78/336,996.40
  6. Step 6: Final answer
    x = 205,714.52

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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.