Home / 291,022.42-401,608.02-161,958.73

Finding the Fourth Proportional to 291,022.42, 401,608.02 and 161,958.73

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Solution

The fourth proportional to 291,022.42, 401,608.02 and 161,958.73 is: 223,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,022.42 : 401,608.02 = 161,958.73 : x
  2. Step 2: Convert to fraction form
    291,022.42/401,608.02 = 161,958.73/x
  3. Step 3: Cross multiply
    291,022.42x = 401,608.02 × 161,958.73
  4. Step 4: Simplify right side
    291,022.42x = 65,043,924,877.01
  5. Step 5: Solve for x
    x = 65,043,924,877.01/291,022.42
  6. Step 6: Final answer
    x = 223,501.42

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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.