Home / 350,831.22-526,245.60-126,191.28

Finding the Fourth Proportional to 350,831.22, 526,245.60 and 126,191.28

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Solution

The fourth proportional to 350,831.22, 526,245.60 and 126,191.28 is: 189,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,831.22 : 526,245.60 = 126,191.28 : x
  2. Step 2: Convert to fraction form
    350,831.22/526,245.60 = 126,191.28/x
  3. Step 3: Cross multiply
    350,831.22x = 526,245.60 × 126,191.28
  4. Step 4: Simplify right side
    350,831.22x = 66,407,605,858.37
  5. Step 5: Solve for x
    x = 66,407,605,858.37/350,831.22
  6. Step 6: Final answer
    x = 189,286.48

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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.