Home / 362,905.10-543,701.55-222,499.70

Finding the Fourth Proportional to 362,905.10, 543,701.55 and 222,499.70

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Solution

The fourth proportional to 362,905.10, 543,701.55 and 222,499.70 is: 333,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,905.10 : 543,701.55 = 222,499.70 : x
  2. Step 2: Convert to fraction form
    362,905.10/543,701.55 = 222,499.70/x
  3. Step 3: Cross multiply
    362,905.10x = 543,701.55 × 222,499.70
  4. Step 4: Simplify right side
    362,905.10x = 120,973,431,764.54
  5. Step 5: Solve for x
    x = 120,973,431,764.54/362,905.10
  6. Step 6: Final answer
    x = 333,347.29

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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.