Home / 268,276.70-401,831.85-162,911.90

Finding the Fourth Proportional to 268,276.70, 401,831.85 and 162,911.90

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Solution

The fourth proportional to 268,276.70, 401,831.85 and 162,911.90 is: 244,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,276.70 : 401,831.85 = 162,911.90 : x
  2. Step 2: Convert to fraction form
    268,276.70/401,831.85 = 162,911.90/x
  3. Step 3: Cross multiply
    268,276.70x = 401,831.85 × 162,911.90
  4. Step 4: Simplify right side
    268,276.70x = 65,463,190,164.02
  5. Step 5: Solve for x
    x = 65,463,190,164.02/268,276.70
  6. Step 6: Final answer
    x = 244,013.70

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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.