Home / 205,990.49-308,445.06-165,795.86

Finding the Fourth Proportional to 205,990.49, 308,445.06 and 165,795.86

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Solution

The fourth proportional to 205,990.49, 308,445.06 and 165,795.86 is: 248,258.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,990.49 : 308,445.06 = 165,795.86 : x
  2. Step 2: Convert to fraction form
    205,990.49/308,445.06 = 165,795.86/x
  3. Step 3: Cross multiply
    205,990.49x = 308,445.06 × 165,795.86
  4. Step 4: Simplify right side
    205,990.49x = 51,138,915,378.30
  5. Step 5: Solve for x
    x = 51,138,915,378.30/205,990.49
  6. Step 6: Final answer
    x = 248,258.62

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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.