Home / 269,205.05-371,477.58-158,806.47

Finding the Fourth Proportional to 269,205.05, 371,477.58 and 158,806.47

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Solution

The fourth proportional to 269,205.05, 371,477.58 and 158,806.47 is: 219,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,205.05 : 371,477.58 = 158,806.47 : x
  2. Step 2: Convert to fraction form
    269,205.05/371,477.58 = 158,806.47/x
  3. Step 3: Cross multiply
    269,205.05x = 371,477.58 × 158,806.47
  4. Step 4: Simplify right side
    269,205.05x = 58,993,043,961.46
  5. Step 5: Solve for x
    x = 58,993,043,961.46/269,205.05
  6. Step 6: Final answer
    x = 219,137.95

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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.