Home / 271,973.30-408,046.35-122,155.70

Finding the Fourth Proportional to 271,973.30, 408,046.35 and 122,155.70

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Solution

The fourth proportional to 271,973.30, 408,046.35 and 122,155.70 is: 183,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,973.30 : 408,046.35 = 122,155.70 : x
  2. Step 2: Convert to fraction form
    271,973.30/408,046.35 = 122,155.70/x
  3. Step 3: Cross multiply
    271,973.30x = 408,046.35 × 122,155.70
  4. Step 4: Simplify right side
    271,973.30x = 49,845,187,516.70
  5. Step 5: Solve for x
    x = 49,845,187,516.70/271,973.30
  6. Step 6: Final answer
    x = 183,272.36

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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.