Home / 372,109.03-557,459.26-219,850.78

Finding the Fourth Proportional to 372,109.03, 557,459.26 and 219,850.78

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Solution

The fourth proportional to 372,109.03, 557,459.26 and 219,850.78 is: 329,360.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,109.03 : 557,459.26 = 219,850.78 : x
  2. Step 2: Convert to fraction form
    372,109.03/557,459.26 = 219,850.78/x
  3. Step 3: Cross multiply
    372,109.03x = 557,459.26 × 219,850.78
  4. Step 4: Simplify right side
    372,109.03x = 122,557,851,899.99
  5. Step 5: Solve for x
    x = 122,557,851,899.99/372,109.03
  6. Step 6: Final answer
    x = 329,360.06

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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.