Home / 671,108.99-1,006,821.09-221,829.86

Finding the Fourth Proportional to 671,108.99, 1,006,821.09 and 221,829.86

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Solution

The fourth proportional to 671,108.99, 1,006,821.09 and 221,829.86 is: 332,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,108.99 : 1,006,821.09 = 221,829.86 : x
  2. Step 2: Convert to fraction form
    671,108.99/1,006,821.09 = 221,829.86/x
  3. Step 3: Cross multiply
    671,108.99x = 1,006,821.09 × 221,829.86
  4. Step 4: Simplify right side
    671,108.99x = 223,342,976,405.64
  5. Step 5: Solve for x
    x = 223,342,976,405.64/671,108.99
  6. Step 6: Final answer
    x = 332,796.88

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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.