Home / 631,187.30-946,904.42-231,831.08

Finding the Fourth Proportional to 631,187.30, 946,904.42 and 231,831.08

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Solution

The fourth proportional to 631,187.30, 946,904.42 and 231,831.08 is: 347,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,187.30 : 946,904.42 = 231,831.08 : x
  2. Step 2: Convert to fraction form
    631,187.30/946,904.42 = 231,831.08/x
  3. Step 3: Cross multiply
    631,187.30x = 946,904.42 × 231,831.08
  4. Step 4: Simplify right side
    631,187.30x = 219,521,869,610.85
  5. Step 5: Solve for x
    x = 219,521,869,610.85/631,187.30
  6. Step 6: Final answer
    x = 347,791.96

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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.