Home / 262,834.67-394,284.81-102,889.95

Finding the Fourth Proportional to 262,834.67, 394,284.81 and 102,889.95

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Solution

The fourth proportional to 262,834.67, 394,284.81 and 102,889.95 is: 154,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,834.67 : 394,284.81 = 102,889.95 : x
  2. Step 2: Convert to fraction form
    262,834.67/394,284.81 = 102,889.95/x
  3. Step 3: Cross multiply
    262,834.67x = 394,284.81 × 102,889.95
  4. Step 4: Simplify right side
    262,834.67x = 40,567,943,293.93
  5. Step 5: Solve for x
    x = 40,567,943,293.93/262,834.67
  6. Step 6: Final answer
    x = 154,347.76

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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.