Home / 270,690-373,546.80-149,831.25

Finding the Fourth Proportional to 270,690, 373,546.80 and 149,831.25

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Solution

The fourth proportional to 270,690, 373,546.80 and 149,831.25 is: 206,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,690 : 373,546.80 = 149,831.25 : x
  2. Step 2: Convert to fraction form
    270,690/373,546.80 = 149,831.25/x
  3. Step 3: Cross multiply
    270,690x = 373,546.80 × 149,831.25
  4. Step 4: Simplify right side
    270,690x = 55,968,983,977.50
  5. Step 5: Solve for x
    x = 55,968,983,977.50/270,690
  6. Step 6: Final answer
    x = 206,764.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.