Home / 631,171.87-946,851.24-231,781.50

Finding the Fourth Proportional to 631,171.87, 946,851.24 and 231,781.50

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Solution

The fourth proportional to 631,171.87, 946,851.24 and 231,781.50 is: 347,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,171.87 : 946,851.24 = 231,781.50 : x
  2. Step 2: Convert to fraction form
    631,171.87/946,851.24 = 231,781.50/x
  3. Step 3: Cross multiply
    631,171.87x = 946,851.24 × 231,781.50
  4. Step 4: Simplify right side
    631,171.87x = 219,462,600,684.06
  5. Step 5: Solve for x
    x = 219,462,600,684.06/631,171.87
  6. Step 6: Final answer
    x = 347,706.56

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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.