Home / 419,926.12-579,499.86-269,110.60

Finding the Fourth Proportional to 419,926.12, 579,499.86 and 269,110.60

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Solution

The fourth proportional to 419,926.12, 579,499.86 and 269,110.60 is: 371,373.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,926.12 : 579,499.86 = 269,110.60 : x
  2. Step 2: Convert to fraction form
    419,926.12/579,499.86 = 269,110.60/x
  3. Step 3: Cross multiply
    419,926.12x = 579,499.86 × 269,110.60
  4. Step 4: Simplify right side
    419,926.12x = 155,949,555,024.52
  5. Step 5: Solve for x
    x = 155,949,555,024.52/419,926.12
  6. Step 6: Final answer
    x = 371,373.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.