Home / 298,918.64-412,504.31-162,949.59

Finding the Fourth Proportional to 298,918.64, 412,504.31 and 162,949.59

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Solution

The fourth proportional to 298,918.64, 412,504.31 and 162,949.59 is: 224,868.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,918.64 : 412,504.31 = 162,949.59 : x
  2. Step 2: Convert to fraction form
    298,918.64/412,504.31 = 162,949.59/x
  3. Step 3: Cross multiply
    298,918.64x = 412,504.31 × 162,949.59
  4. Step 4: Simplify right side
    298,918.64x = 67,217,407,048.22
  5. Step 5: Solve for x
    x = 67,217,407,048.22/298,918.64
  6. Step 6: Final answer
    x = 224,868.57

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1.5x scale

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.