Home / 218,734.50-301,984.83-143,414.22

Finding the Fourth Proportional to 218,734.50, 301,984.83 and 143,414.22

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Solution

The fourth proportional to 218,734.50, 301,984.83 and 143,414.22 is: 197,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,734.50 : 301,984.83 = 143,414.22 : x
  2. Step 2: Convert to fraction form
    218,734.50/301,984.83 = 143,414.22/x
  3. Step 3: Cross multiply
    218,734.50x = 301,984.83 × 143,414.22
  4. Step 4: Simplify right side
    218,734.50x = 43,308,918,846.28
  5. Step 5: Solve for x
    x = 43,308,918,846.28/218,734.50
  6. Step 6: Final answer
    x = 197,997.66

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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.