Home / 198,986.84-298,480.26-65,831.24

Finding the Fourth Proportional to 198,986.84, 298,480.26 and 65,831.24

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Solution

The fourth proportional to 198,986.84, 298,480.26 and 65,831.24 is: 98,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,986.84 : 298,480.26 = 65,831.24 : x
  2. Step 2: Convert to fraction form
    198,986.84/298,480.26 = 65,831.24/x
  3. Step 3: Cross multiply
    198,986.84x = 298,480.26 × 65,831.24
  4. Step 4: Simplify right side
    198,986.84x = 19,649,325,631.32
  5. Step 5: Solve for x
    x = 19,649,325,631.32/198,986.84
  6. Step 6: Final answer
    x = 98,746.86

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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.