Home / 307,180.20-423,857.30-171,184.34

Finding the Fourth Proportional to 307,180.20, 423,857.30 and 171,184.34

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Solution

The fourth proportional to 307,180.20, 423,857.30 and 171,184.34 is: 236,205.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,180.20 : 423,857.30 = 171,184.34 : x
  2. Step 2: Convert to fraction form
    307,180.20/423,857.30 = 171,184.34/x
  3. Step 3: Cross multiply
    307,180.20x = 423,857.30 × 171,184.34
  4. Step 4: Simplify right side
    307,180.20x = 72,557,732,154.68
  5. Step 5: Solve for x
    x = 72,557,732,154.68/307,180.20
  6. Step 6: Final answer
    x = 236,205.76

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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.