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Finding the Fourth Proportional to 268,277.70, 401,833.35 and 162,912.90

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Solution

The fourth proportional to 268,277.70, 401,833.35 and 162,912.90 is: 244,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,277.70 : 401,833.35 = 162,912.90 : x
  2. Step 2: Convert to fraction form
    268,277.70/401,833.35 = 162,912.90/x
  3. Step 3: Cross multiply
    268,277.70x = 401,833.35 × 162,912.90
  4. Step 4: Simplify right side
    268,277.70x = 65,463,836,365.22
  5. Step 5: Solve for x
    x = 65,463,836,365.22/268,277.70
  6. Step 6: Final answer
    x = 244,015.20

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1.5x scale

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.