Home / 271,919.50-408,017.45-122,129.24

Finding the Fourth Proportional to 271,919.50, 408,017.45 and 122,129.24

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Solution

The fourth proportional to 271,919.50, 408,017.45 and 122,129.24 is: 183,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,919.50 : 408,017.45 = 122,129.24 : x
  2. Step 2: Convert to fraction form
    271,919.50/408,017.45 = 122,129.24/x
  3. Step 3: Cross multiply
    271,919.50x = 408,017.45 × 122,129.24
  4. Step 4: Simplify right side
    271,919.50x = 49,830,859,340.47
  5. Step 5: Solve for x
    x = 49,830,859,340.47/271,919.50
  6. Step 6: Final answer
    x = 183,255.93

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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.