Home / 271,267.20-406,896.48-84,278.88

Finding the Fourth Proportional to 271,267.20, 406,896.48 and 84,278.88

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Solution

The fourth proportional to 271,267.20, 406,896.48 and 84,278.88 is: 126,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,267.20 : 406,896.48 = 84,278.88 : x
  2. Step 2: Convert to fraction form
    271,267.20/406,896.48 = 84,278.88/x
  3. Step 3: Cross multiply
    271,267.20x = 406,896.48 × 84,278.88
  4. Step 4: Simplify right side
    271,267.20x = 34,292,779,610.34
  5. Step 5: Solve for x
    x = 34,292,779,610.34/271,267.20
  6. Step 6: Final answer
    x = 126,416.98

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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.