Home / 271,441.28-406,897.16-129,248.34

Finding the Fourth Proportional to 271,441.28, 406,897.16 and 129,248.34

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Solution

The fourth proportional to 271,441.28, 406,897.16 and 129,248.34 is: 193,746.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,441.28 : 406,897.16 = 129,248.34 : x
  2. Step 2: Convert to fraction form
    271,441.28/406,897.16 = 129,248.34/x
  3. Step 3: Cross multiply
    271,441.28x = 406,897.16 × 129,248.34
  4. Step 4: Simplify right side
    271,441.28x = 52,590,782,480.71
  5. Step 5: Solve for x
    x = 52,590,782,480.71/271,441.28
  6. Step 6: Final answer
    x = 193,746.44

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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.