Home / 334,912.20-462,157.78-308,162.76

Finding the Fourth Proportional to 334,912.20, 462,157.78 and 308,162.76

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Solution

The fourth proportional to 334,912.20, 462,157.78 and 308,162.76 is: 425,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,912.20 : 462,157.78 = 308,162.76 : x
  2. Step 2: Convert to fraction form
    334,912.20/462,157.78 = 308,162.76/x
  3. Step 3: Cross multiply
    334,912.20x = 462,157.78 × 308,162.76
  4. Step 4: Simplify right side
    334,912.20x = 142,419,817,040.27
  5. Step 5: Solve for x
    x = 142,419,817,040.27/334,912.20
  6. Step 6: Final answer
    x = 425,245.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.