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Finding the Fourth Proportional to 335,763.40, 503,207.70 and 135,920.20

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Solution

The fourth proportional to 335,763.40, 503,207.70 and 135,920.20 is: 203,703.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,763.40 : 503,207.70 = 135,920.20 : x
  2. Step 2: Convert to fraction form
    335,763.40/503,207.70 = 135,920.20/x
  3. Step 3: Cross multiply
    335,763.40x = 503,207.70 × 135,920.20
  4. Step 4: Simplify right side
    335,763.40x = 68,396,091,225.54
  5. Step 5: Solve for x
    x = 68,396,091,225.54/335,763.40
  6. Step 6: Final answer
    x = 203,703.24

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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.