Home / 335,928.20-503,309.10-217,538.60

Finding the Fourth Proportional to 335,928.20, 503,309.10 and 217,538.60

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Solution

The fourth proportional to 335,928.20, 503,309.10 and 217,538.60 is: 325,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,928.20 : 503,309.10 = 217,538.60 : x
  2. Step 2: Convert to fraction form
    335,928.20/503,309.10 = 217,538.60/x
  3. Step 3: Cross multiply
    335,928.20x = 503,309.10 × 217,538.60
  4. Step 4: Simplify right side
    335,928.20x = 109,489,156,981.26
  5. Step 5: Solve for x
    x = 109,489,156,981.26/335,928.20
  6. Step 6: Final answer
    x = 325,930.23

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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.