Home / 331,841.54-457,941.78-180,938.54

Finding the Fourth Proportional to 331,841.54, 457,941.78 and 180,938.54

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Solution

The fourth proportional to 331,841.54, 457,941.78 and 180,938.54 is: 249,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,841.54 : 457,941.78 = 180,938.54 : x
  2. Step 2: Convert to fraction form
    331,841.54/457,941.78 = 180,938.54/x
  3. Step 3: Cross multiply
    331,841.54x = 457,941.78 × 180,938.54
  4. Step 4: Simplify right side
    331,841.54x = 82,859,317,078.20
  5. Step 5: Solve for x
    x = 82,859,317,078.20/331,841.54
  6. Step 6: Final answer
    x = 249,695.43

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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.