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Finding the Fourth Proportional to 270,107.64, 372,800.10 and 178,065.42

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Solution

The fourth proportional to 270,107.64, 372,800.10 and 178,065.42 is: 245,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,107.64 : 372,800.10 = 178,065.42 : x
  2. Step 2: Convert to fraction form
    270,107.64/372,800.10 = 178,065.42/x
  3. Step 3: Cross multiply
    270,107.64x = 372,800.10 × 178,065.42
  4. Step 4: Simplify right side
    270,107.64x = 66,382,806,382.54
  5. Step 5: Solve for x
    x = 66,382,806,382.54/270,107.64
  6. Step 6: Final answer
    x = 245,764.27

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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.