Home / 307,138.28-423,705.96-179,735

Finding the Fourth Proportional to 307,138.28, 423,705.96 and 179,735

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Solution

The fourth proportional to 307,138.28, 423,705.96 and 179,735 is: 247,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,138.28 : 423,705.96 = 179,735 : x
  2. Step 2: Convert to fraction form
    307,138.28/423,705.96 = 179,735/x
  3. Step 3: Cross multiply
    307,138.28x = 423,705.96 × 179,735
  4. Step 4: Simplify right side
    307,138.28x = 76,154,790,720.60
  5. Step 5: Solve for x
    x = 76,154,790,720.60/307,138.28
  6. Step 6: Final answer
    x = 247,949.53

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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.