Home / 671,108.65-1,006,820.65-221,829.53

Finding the Fourth Proportional to 671,108.65, 1,006,820.65 and 221,829.53

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Solution

The fourth proportional to 671,108.65, 1,006,820.65 and 221,829.53 is: 332,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,108.65 : 1,006,820.65 = 221,829.53 : x
  2. Step 2: Convert to fraction form
    671,108.65/1,006,820.65 = 221,829.53/x
  3. Step 3: Cross multiply
    671,108.65x = 1,006,820.65 × 221,829.53
  4. Step 4: Simplify right side
    671,108.65x = 223,342,555,849.99
  5. Step 5: Solve for x
    x = 223,342,555,849.99/671,108.65
  6. Step 6: Final answer
    x = 332,796.42

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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.