Home / 231,831.20-346,969.20-203,837.60

Finding the Fourth Proportional to 231,831.20, 346,969.20 and 203,837.60

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Solution

The fourth proportional to 231,831.20, 346,969.20 and 203,837.60 is: 305,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,831.20 : 346,969.20 = 203,837.60 : x
  2. Step 2: Convert to fraction form
    231,831.20/346,969.20 = 203,837.60/x
  3. Step 3: Cross multiply
    231,831.20x = 346,969.20 × 203,837.60
  4. Step 4: Simplify right side
    231,831.20x = 70,725,369,001.92
  5. Step 5: Solve for x
    x = 70,725,369,001.92/231,831.20
  6. Step 6: Final answer
    x = 305,072.70

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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.