Home / 307,179.19-423,855.93-171,183.34

Finding the Fourth Proportional to 307,179.19, 423,855.93 and 171,183.34

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Solution

The fourth proportional to 307,179.19, 423,855.93 and 171,183.34 is: 236,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,179.19 : 423,855.93 = 171,183.34 : x
  2. Step 2: Convert to fraction form
    307,179.19/423,855.93 = 171,183.34/x
  3. Step 3: Cross multiply
    307,179.19x = 423,855.93 × 171,183.34
  4. Step 4: Simplify right side
    307,179.19x = 72,557,073,776.21
  5. Step 5: Solve for x
    x = 72,557,073,776.21/307,179.19
  6. Step 6: Final answer
    x = 236,204.39

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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.