Home / 298,678.20-448,016.46-245,976.36

Finding the Fourth Proportional to 298,678.20, 448,016.46 and 245,976.36

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Solution

The fourth proportional to 298,678.20, 448,016.46 and 245,976.36 is: 368,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,678.20 : 448,016.46 = 245,976.36 : x
  2. Step 2: Convert to fraction form
    298,678.20/448,016.46 = 245,976.36/x
  3. Step 3: Cross multiply
    298,678.20x = 448,016.46 × 245,976.36
  4. Step 4: Simplify right side
    298,678.20x = 110,201,458,050.89
  5. Step 5: Solve for x
    x = 110,201,458,050.89/298,678.20
  6. Step 6: Final answer
    x = 368,963.85

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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.