Home / 268,237.20-401,772.60-162,872.40

Finding the Fourth Proportional to 268,237.20, 401,772.60 and 162,872.40

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Solution

The fourth proportional to 268,237.20, 401,772.60 and 162,872.40 is: 243,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,237.20 : 401,772.60 = 162,872.40 : x
  2. Step 2: Convert to fraction form
    268,237.20/401,772.60 = 162,872.40/x
  3. Step 3: Cross multiply
    268,237.20x = 401,772.60 × 162,872.40
  4. Step 4: Simplify right side
    268,237.20x = 65,437,667,616.24
  5. Step 5: Solve for x
    x = 65,437,667,616.24/268,237.20
  6. Step 6: Final answer
    x = 243,954.48

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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.