Home / 298,864.24-412,399.56-177,988.72

Finding the Fourth Proportional to 298,864.24, 412,399.56 and 177,988.72

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Solution

The fourth proportional to 298,864.24, 412,399.56 and 177,988.72 is: 245,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,864.24 : 412,399.56 = 177,988.72 : x
  2. Step 2: Convert to fraction form
    298,864.24/412,399.56 = 177,988.72/x
  3. Step 3: Cross multiply
    298,864.24x = 412,399.56 × 177,988.72
  4. Step 4: Simplify right side
    298,864.24x = 73,402,469,812.96
  5. Step 5: Solve for x
    x = 73,402,469,812.96/298,864.24
  6. Step 6: Final answer
    x = 245,604.73

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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.