Home / 274,990.07-378,776.45-194,277.47

Finding the Fourth Proportional to 274,990.07, 378,776.45 and 194,277.47

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Solution

The fourth proportional to 274,990.07, 378,776.45 and 194,277.47 is: 267,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,990.07 : 378,776.45 = 194,277.47 : x
  2. Step 2: Convert to fraction form
    274,990.07/378,776.45 = 194,277.47/x
  3. Step 3: Cross multiply
    274,990.07x = 378,776.45 × 194,277.47
  4. Step 4: Simplify right side
    274,990.07x = 73,587,727,536.31
  5. Step 5: Solve for x
    x = 73,587,727,536.31/274,990.07
  6. Step 6: Final answer
    x = 267,601.40

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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.