Home / 335,811.40-503,279.70-135,968.20

Finding the Fourth Proportional to 335,811.40, 503,279.70 and 135,968.20

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Solution

The fourth proportional to 335,811.40, 503,279.70 and 135,968.20 is: 203,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,811.40 : 503,279.70 = 135,968.20 : x
  2. Step 2: Convert to fraction form
    335,811.40/503,279.70 = 135,968.20/x
  3. Step 3: Cross multiply
    335,811.40x = 503,279.70 × 135,968.20
  4. Step 4: Simplify right side
    335,811.40x = 68,430,034,905.54
  5. Step 5: Solve for x
    x = 68,430,034,905.54/335,811.40
  6. Step 6: Final answer
    x = 203,775.20

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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.