Home / 215,724.01-297,720.20-161,181.54

Finding the Fourth Proportional to 215,724.01, 297,720.20 and 161,181.54

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Solution

The fourth proportional to 215,724.01, 297,720.20 and 161,181.54 is: 222,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,724.01 : 297,720.20 = 161,181.54 : x
  2. Step 2: Convert to fraction form
    215,724.01/297,720.20 = 161,181.54/x
  3. Step 3: Cross multiply
    215,724.01x = 297,720.20 × 161,181.54
  4. Step 4: Simplify right side
    215,724.01x = 47,987,000,325.11
  5. Step 5: Solve for x
    x = 47,987,000,325.11/215,724.01
  6. Step 6: Final answer
    x = 222,446.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.