Home / 204,436.08-306,689.15-69,485.87

Finding the Fourth Proportional to 204,436.08, 306,689.15 and 69,485.87

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Solution

The fourth proportional to 204,436.08, 306,689.15 and 69,485.87 is: 104,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,436.08 : 306,689.15 = 69,485.87 : x
  2. Step 2: Convert to fraction form
    204,436.08/306,689.15 = 69,485.87/x
  3. Step 3: Cross multiply
    204,436.08x = 306,689.15 × 69,485.87
  4. Step 4: Simplify right side
    204,436.08x = 21,310,562,826.60
  5. Step 5: Solve for x
    x = 21,310,562,826.60/204,436.08
  6. Step 6: Final answer
    x = 104,240.71

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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.