Home / 274,770.07-379,367.70-171,561.39

Finding the Fourth Proportional to 274,770.07, 379,367.70 and 171,561.39

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Solution

The fourth proportional to 274,770.07, 379,367.70 and 171,561.39 is: 236,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,770.07 : 379,367.70 = 171,561.39 : x
  2. Step 2: Convert to fraction form
    274,770.07/379,367.70 = 171,561.39/x
  3. Step 3: Cross multiply
    274,770.07x = 379,367.70 × 171,561.39
  4. Step 4: Simplify right side
    274,770.07x = 65,084,850,966.10
  5. Step 5: Solve for x
    x = 65,084,850,966.10/274,770.07
  6. Step 6: Final answer
    x = 236,870.23

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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.