Home / 205,370.10-308,055.15-134,511.30

Finding the Fourth Proportional to 205,370.10, 308,055.15 and 134,511.30

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Solution

The fourth proportional to 205,370.10, 308,055.15 and 134,511.30 is: 201,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,370.10 : 308,055.15 = 134,511.30 : x
  2. Step 2: Convert to fraction form
    205,370.10/308,055.15 = 134,511.30/x
  3. Step 3: Cross multiply
    205,370.10x = 308,055.15 × 134,511.30
  4. Step 4: Simplify right side
    205,370.10x = 41,436,898,698.20
  5. Step 5: Solve for x
    x = 41,436,898,698.20/205,370.10
  6. Step 6: Final answer
    x = 201,766.95

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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.