Home / 272,048.20-408,072.30-188,067.40

Finding the Fourth Proportional to 272,048.20, 408,072.30 and 188,067.40

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Solution

The fourth proportional to 272,048.20, 408,072.30 and 188,067.40 is: 282,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,048.20 : 408,072.30 = 188,067.40 : x
  2. Step 2: Convert to fraction form
    272,048.20/408,072.30 = 188,067.40/x
  3. Step 3: Cross multiply
    272,048.20x = 408,072.30 × 188,067.40
  4. Step 4: Simplify right side
    272,048.20x = 76,745,096,473.02
  5. Step 5: Solve for x
    x = 76,745,096,473.02/272,048.20
  6. Step 6: Final answer
    x = 282,101.10

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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.