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Finding the Fourth Proportional to 230,191.35, 345,418.79 and 125,019.51

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Solution

The fourth proportional to 230,191.35, 345,418.79 and 125,019.51 is: 187,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,191.35 : 345,418.79 = 125,019.51 : x
  2. Step 2: Convert to fraction form
    230,191.35/345,418.79 = 125,019.51/x
  3. Step 3: Cross multiply
    230,191.35x = 345,418.79 × 125,019.51
  4. Step 4: Simplify right side
    230,191.35x = 43,184,087,245.50
  5. Step 5: Solve for x
    x = 43,184,087,245.50/230,191.35
  6. Step 6: Final answer
    x = 187,600.83

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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.