Home / 271,748.54-405,792.86-221,927.47

Finding the Fourth Proportional to 271,748.54, 405,792.86 and 221,927.47

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Solution

The fourth proportional to 271,748.54, 405,792.86 and 221,927.47 is: 331,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,748.54 : 405,792.86 = 221,927.47 : x
  2. Step 2: Convert to fraction form
    271,748.54/405,792.86 = 221,927.47/x
  3. Step 3: Cross multiply
    271,748.54x = 405,792.86 × 221,927.47
  4. Step 4: Simplify right side
    271,748.54x = 90,056,580,639.74
  5. Step 5: Solve for x
    x = 90,056,580,639.74/271,748.54
  6. Step 6: Final answer
    x = 331,396.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.