Home / 298,720.05-412,229.88-162,759.66

Finding the Fourth Proportional to 298,720.05, 412,229.88 and 162,759.66

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Solution

The fourth proportional to 298,720.05, 412,229.88 and 162,759.66 is: 224,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,720.05 : 412,229.88 = 162,759.66 : x
  2. Step 2: Convert to fraction form
    298,720.05/412,229.88 = 162,759.66/x
  3. Step 3: Cross multiply
    298,720.05x = 412,229.88 × 162,759.66
  4. Step 4: Simplify right side
    298,720.05x = 67,094,395,110.64
  5. Step 5: Solve for x
    x = 67,094,395,110.64/298,720.05
  6. Step 6: Final answer
    x = 224,606.27

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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.