Home / 336,996.45-505,355.76-137,181.60

Finding the Fourth Proportional to 336,996.45, 505,355.76 and 137,181.60

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Solution

The fourth proportional to 336,996.45, 505,355.76 and 137,181.60 is: 205,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,996.45 : 505,355.76 = 137,181.60 : x
  2. Step 2: Convert to fraction form
    336,996.45/505,355.76 = 137,181.60/x
  3. Step 3: Cross multiply
    336,996.45x = 505,355.76 × 137,181.60
  4. Step 4: Simplify right side
    336,996.45x = 69,325,511,726.02
  5. Step 5: Solve for x
    x = 69,325,511,726.02/336,996.45
  6. Step 6: Final answer
    x = 205,715.85

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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.