Home / 268,197.28-401,921.85-201,559.39

Finding the Fourth Proportional to 268,197.28, 401,921.85 and 201,559.39

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Solution

The fourth proportional to 268,197.28, 401,921.85 and 201,559.39 is: 302,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,197.28 : 401,921.85 = 201,559.39 : x
  2. Step 2: Convert to fraction form
    268,197.28/401,921.85 = 201,559.39/x
  3. Step 3: Cross multiply
    268,197.28x = 401,921.85 × 201,559.39
  4. Step 4: Simplify right side
    268,197.28x = 81,011,121,530.94
  5. Step 5: Solve for x
    x = 81,011,121,530.94/268,197.28
  6. Step 6: Final answer
    x = 302,057.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.