Home / 331,629-457,651.26-180,729.24

Finding the Fourth Proportional to 331,629, 457,651.26 and 180,729.24

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Solution

The fourth proportional to 331,629, 457,651.26 and 180,729.24 is: 249,408.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,629 : 457,651.26 = 180,729.24 : x
  2. Step 2: Convert to fraction form
    331,629/457,651.26 = 180,729.24/x
  3. Step 3: Cross multiply
    331,629x = 457,651.26 × 180,729.24
  4. Step 4: Simplify right side
    331,629x = 82,710,964,404.84
  5. Step 5: Solve for x
    x = 82,710,964,404.84/331,629
  6. Step 6: Final answer
    x = 249,408.12

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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.