Home / 211,458.33-317,223.04-104,847.55

Finding the Fourth Proportional to 211,458.33, 317,223.04 and 104,847.55

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Solution

The fourth proportional to 211,458.33, 317,223.04 and 104,847.55 is: 157,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,458.33 : 317,223.04 = 104,847.55 : x
  2. Step 2: Convert to fraction form
    211,458.33/317,223.04 = 104,847.55/x
  3. Step 3: Cross multiply
    211,458.33x = 317,223.04 × 104,847.55
  4. Step 4: Simplify right side
    211,458.33x = 33,260,056,961.44
  5. Step 5: Solve for x
    x = 33,260,056,961.44/211,458.33
  6. Step 6: Final answer
    x = 157,288.95

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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.