Home / 225,579.90-338,000.72-136,563.60

Finding the Fourth Proportional to 225,579.90, 338,000.72 and 136,563.60

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Solution

The fourth proportional to 225,579.90, 338,000.72 and 136,563.60 is: 204,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,579.90 : 338,000.72 = 136,563.60 : x
  2. Step 2: Convert to fraction form
    225,579.90/338,000.72 = 136,563.60/x
  3. Step 3: Cross multiply
    225,579.90x = 338,000.72 × 136,563.60
  4. Step 4: Simplify right side
    225,579.90x = 46,158,594,442.97
  5. Step 5: Solve for x
    x = 46,158,594,442.97/225,579.90
  6. Step 6: Final answer
    x = 204,621.93

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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.