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Finding the Fourth Proportional to 362,496.60, 543,744.90 and 162,912.60

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Solution

The fourth proportional to 362,496.60, 543,744.90 and 162,912.60 is: 244,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,496.60 : 543,744.90 = 162,912.60 : x
  2. Step 2: Convert to fraction form
    362,496.60/543,744.90 = 162,912.60/x
  3. Step 3: Cross multiply
    362,496.60x = 543,744.90 × 162,912.60
  4. Step 4: Simplify right side
    362,496.60x = 88,582,895,395.74
  5. Step 5: Solve for x
    x = 88,582,895,395.74/362,496.60
  6. Step 6: Final answer
    x = 244,368.90

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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.