Home / 331,824.90-457,918.82-180,921.90

Finding the Fourth Proportional to 331,824.90, 457,918.82 and 180,921.90

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Solution

The fourth proportional to 331,824.90, 457,918.82 and 180,921.90 is: 249,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,824.90 : 457,918.82 = 180,921.90 : x
  2. Step 2: Convert to fraction form
    331,824.90/457,918.82 = 180,921.90/x
  3. Step 3: Cross multiply
    331,824.90x = 457,918.82 × 180,921.90
  4. Step 4: Simplify right side
    331,824.90x = 82,847,542,960.16
  5. Step 5: Solve for x
    x = 82,847,542,960.16/331,824.90
  6. Step 6: Final answer
    x = 249,672.47

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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.