Home / 306,741.82-423,167.34-179,361.22

Finding the Fourth Proportional to 306,741.82, 423,167.34 and 179,361.22

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Solution

The fourth proportional to 306,741.82, 423,167.34 and 179,361.22 is: 247,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,741.82 : 423,167.34 = 179,361.22 : x
  2. Step 2: Convert to fraction form
    306,741.82/423,167.34 = 179,361.22/x
  3. Step 3: Cross multiply
    306,741.82x = 423,167.34 × 179,361.22
  4. Step 4: Simplify right side
    306,741.82x = 75,899,810,366.55
  5. Step 5: Solve for x
    x = 75,899,810,366.55/306,741.82
  6. Step 6: Final answer
    x = 247,438.74

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1.5x scale

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.