Home / 234,686.20-351,912.79-74,741.28

Finding the Fourth Proportional to 234,686.20, 351,912.79 and 74,741.28

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Solution

The fourth proportional to 234,686.20, 351,912.79 and 74,741.28 is: 112,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,686.20 : 351,912.79 = 74,741.28 : x
  2. Step 2: Convert to fraction form
    234,686.20/351,912.79 = 74,741.28/x
  3. Step 3: Cross multiply
    234,686.20x = 351,912.79 × 74,741.28
  4. Step 4: Simplify right side
    234,686.20x = 26,302,410,239.70
  5. Step 5: Solve for x
    x = 26,302,410,239.70/234,686.20
  6. Step 6: Final answer
    x = 112,074.81

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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.