Home / 362,789.36-543,279-229,266.80

Finding the Fourth Proportional to 362,789.36, 543,279 and 229,266.80

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Solution

The fourth proportional to 362,789.36, 543,279 and 229,266.80 is: 343,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,789.36 : 543,279 = 229,266.80 : x
  2. Step 2: Convert to fraction form
    362,789.36/543,279 = 229,266.80/x
  3. Step 3: Cross multiply
    362,789.36x = 543,279 × 229,266.80
  4. Step 4: Simplify right side
    362,789.36x = 124,555,837,837.20
  5. Step 5: Solve for x
    x = 124,555,837,837.20/362,789.36
  6. Step 6: Final answer
    x = 343,328.25

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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.