Home / 247,831.20-371,486.88-121,296.96

Finding the Fourth Proportional to 247,831.20, 371,486.88 and 121,296.96

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Solution

The fourth proportional to 247,831.20, 371,486.88 and 121,296.96 is: 181,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,831.20 : 371,486.88 = 121,296.96 : x
  2. Step 2: Convert to fraction form
    247,831.20/371,486.88 = 121,296.96/x
  3. Step 3: Cross multiply
    247,831.20x = 371,486.88 × 121,296.96
  4. Step 4: Simplify right side
    247,831.20x = 45,060,229,223.88
  5. Step 5: Solve for x
    x = 45,060,229,223.88/247,831.20
  6. Step 6: Final answer
    x = 181,818.23

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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.