Home / 226,354.08-339,487.20-215,114.40

Finding the Fourth Proportional to 226,354.08, 339,487.20 and 215,114.40

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Solution

The fourth proportional to 226,354.08, 339,487.20 and 215,114.40 is: 322,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,354.08 : 339,487.20 = 215,114.40 : x
  2. Step 2: Convert to fraction form
    226,354.08/339,487.20 = 215,114.40/x
  3. Step 3: Cross multiply
    226,354.08x = 339,487.20 × 215,114.40
  4. Step 4: Simplify right side
    226,354.08x = 73,028,585,335.68
  5. Step 5: Solve for x
    x = 73,028,585,335.68/226,354.08
  6. Step 6: Final answer
    x = 322,629.86

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1.5x scale

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.