Home / 271,499.20-407,307.33-81,943.71

Finding the Fourth Proportional to 271,499.20, 407,307.33 and 81,943.71

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Solution

The fourth proportional to 271,499.20, 407,307.33 and 81,943.71 is: 122,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,499.20 : 407,307.33 = 81,943.71 : x
  2. Step 2: Convert to fraction form
    271,499.20/407,307.33 = 81,943.71/x
  3. Step 3: Cross multiply
    271,499.20x = 407,307.33 × 81,943.71
  4. Step 4: Simplify right side
    271,499.20x = 33,376,273,730.39
  5. Step 5: Solve for x
    x = 33,376,273,730.39/271,499.20
  6. Step 6: Final answer
    x = 122,933.23

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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.