Home / 298,619.10-412,179.03-196,718.94

Finding the Fourth Proportional to 298,619.10, 412,179.03 and 196,718.94

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Solution

The fourth proportional to 298,619.10, 412,179.03 and 196,718.94 is: 271,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,619.10 : 412,179.03 = 196,718.94 : x
  2. Step 2: Convert to fraction form
    298,619.10/412,179.03 = 196,718.94/x
  3. Step 3: Cross multiply
    298,619.10x = 412,179.03 × 196,718.94
  4. Step 4: Simplify right side
    298,619.10x = 81,083,421,871.83
  5. Step 5: Solve for x
    x = 81,083,421,871.83/298,619.10
  6. Step 6: Final answer
    x = 271,527.92

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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.