Home / 303,820.56-419,265-167,867.52

Finding the Fourth Proportional to 303,820.56, 419,265 and 167,867.52

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Solution

The fourth proportional to 303,820.56, 419,265 and 167,867.52 is: 231,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,820.56 : 419,265 = 167,867.52 : x
  2. Step 2: Convert to fraction form
    303,820.56/419,265 = 167,867.52/x
  3. Step 3: Cross multiply
    303,820.56x = 419,265 × 167,867.52
  4. Step 4: Simplify right side
    303,820.56x = 70,380,975,772.80
  5. Step 5: Solve for x
    x = 70,380,975,772.80/303,820.56
  6. Step 6: Final answer
    x = 231,653.10

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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.