Home / 335,789.40-503,246.70-135,946.20

Finding the Fourth Proportional to 335,789.40, 503,246.70 and 135,946.20

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Solution

The fourth proportional to 335,789.40, 503,246.70 and 135,946.20 is: 203,742.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,789.40 : 503,246.70 = 135,946.20 : x
  2. Step 2: Convert to fraction form
    335,789.40/503,246.70 = 135,946.20/x
  3. Step 3: Cross multiply
    335,789.40x = 503,246.70 × 135,946.20
  4. Step 4: Simplify right side
    335,789.40x = 68,414,476,527.54
  5. Step 5: Solve for x
    x = 68,414,476,527.54/335,789.40
  6. Step 6: Final answer
    x = 203,742.22

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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.