Home / 300,988.31-451,086.37-167,931.23

Finding the Fourth Proportional to 300,988.31, 451,086.37 and 167,931.23

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Solution

The fourth proportional to 300,988.31, 451,086.37 and 167,931.23 is: 251,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,988.31 : 451,086.37 = 167,931.23 : x
  2. Step 2: Convert to fraction form
    300,988.31/451,086.37 = 167,931.23/x
  3. Step 3: Cross multiply
    300,988.31x = 451,086.37 × 167,931.23
  4. Step 4: Simplify right side
    300,988.31x = 75,751,486,275.08
  5. Step 5: Solve for x
    x = 75,751,486,275.08/300,988.31
  6. Step 6: Final answer
    x = 251,675.85

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1.5x scale

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.