Home / 329,446.10-494,209.14-92,788.78

Finding the Fourth Proportional to 329,446.10, 494,209.14 and 92,788.78

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Solution

The fourth proportional to 329,446.10, 494,209.14 and 92,788.78 is: 139,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,446.10 : 494,209.14 = 92,788.78 : x
  2. Step 2: Convert to fraction form
    329,446.10/494,209.14 = 92,788.78/x
  3. Step 3: Cross multiply
    329,446.10x = 494,209.14 × 92,788.78
  4. Step 4: Simplify right side
    329,446.10x = 45,857,064,420.51
  5. Step 5: Solve for x
    x = 45,857,064,420.51/329,446.10
  6. Step 6: Final answer
    x = 139,194.44

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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.