Home / 309,934.58-464,721.22-120,173.26

Finding the Fourth Proportional to 309,934.58, 464,721.22 and 120,173.26

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Solution

The fourth proportional to 309,934.58, 464,721.22 and 120,173.26 is: 180,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,934.58 : 464,721.22 = 120,173.26 : x
  2. Step 2: Convert to fraction form
    309,934.58/464,721.22 = 120,173.26/x
  3. Step 3: Cross multiply
    309,934.58x = 464,721.22 × 120,173.26
  4. Step 4: Simplify right side
    309,934.58x = 55,847,063,998.58
  5. Step 5: Solve for x
    x = 55,847,063,998.58/309,934.58
  6. Step 6: Final answer
    x = 180,189.85

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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.