Home / 298,577.07-412,040.79-162,617.31

Finding the Fourth Proportional to 298,577.07, 412,040.79 and 162,617.31

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Solution

The fourth proportional to 298,577.07, 412,040.79 and 162,617.31 is: 224,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,577.07 : 412,040.79 = 162,617.31 : x
  2. Step 2: Convert to fraction form
    298,577.07/412,040.79 = 162,617.31/x
  3. Step 3: Cross multiply
    298,577.07x = 412,040.79 × 162,617.31
  4. Step 4: Simplify right side
    298,577.07x = 67,004,964,880.07
  5. Step 5: Solve for x
    x = 67,004,964,880.07/298,577.07
  6. Step 6: Final answer
    x = 224,414.30

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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.