Home / 206,135.49-308,580.80-186,423.33

Finding the Fourth Proportional to 206,135.49, 308,580.80 and 186,423.33

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Solution

The fourth proportional to 206,135.49, 308,580.80 and 186,423.33 is: 279,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,135.49 : 308,580.80 = 186,423.33 : x
  2. Step 2: Convert to fraction form
    206,135.49/308,580.80 = 186,423.33/x
  3. Step 3: Cross multiply
    206,135.49x = 308,580.80 × 186,423.33
  4. Step 4: Simplify right side
    206,135.49x = 57,526,659,377.95
  5. Step 5: Solve for x
    x = 57,526,659,377.95/206,135.49
  6. Step 6: Final answer
    x = 279,072.08

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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.