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Finding the Fourth Proportional to 231,066.68, 346,205.70 and 125,697.56

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Solution

The fourth proportional to 231,066.68, 346,205.70 and 125,697.56 is: 188,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,066.68 : 346,205.70 = 125,697.56 : x
  2. Step 2: Convert to fraction form
    231,066.68/346,205.70 = 125,697.56/x
  3. Step 3: Cross multiply
    231,066.68x = 346,205.70 × 125,697.56
  4. Step 4: Simplify right side
    231,066.68x = 43,517,211,748.09
  5. Step 5: Solve for x
    x = 43,517,211,748.09/231,066.68
  6. Step 6: Final answer
    x = 188,331.83

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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.