Home / 271,448.10-407,304.63-191,996.55

Finding the Fourth Proportional to 271,448.10, 407,304.63 and 191,996.55

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Solution

The fourth proportional to 271,448.10, 407,304.63 and 191,996.55 is: 288,088.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,448.10 : 407,304.63 = 191,996.55 : x
  2. Step 2: Convert to fraction form
    271,448.10/407,304.63 = 191,996.55/x
  3. Step 3: Cross multiply
    271,448.10x = 407,304.63 × 191,996.55
  4. Step 4: Simplify right side
    271,448.10x = 78,201,083,759.03
  5. Step 5: Solve for x
    x = 78,201,083,759.03/271,448.10
  6. Step 6: Final answer
    x = 288,088.53

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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.