Home / 335,131.08-503,054.70-135,581.88

Finding the Fourth Proportional to 335,131.08, 503,054.70 and 135,581.88

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Solution

The fourth proportional to 335,131.08, 503,054.70 and 135,581.88 is: 203,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,131.08 : 503,054.70 = 135,581.88 : x
  2. Step 2: Convert to fraction form
    335,131.08/503,054.70 = 135,581.88/x
  3. Step 3: Cross multiply
    335,131.08x = 503,054.70 × 135,581.88
  4. Step 4: Simplify right side
    335,131.08x = 68,205,101,968.84
  5. Step 5: Solve for x
    x = 68,205,101,968.84/335,131.08
  6. Step 6: Final answer
    x = 203,517.69

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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.