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Finding the Fourth Proportional to 362,002.60, 543,003.90 and 229,470.40

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Solution

The fourth proportional to 362,002.60, 543,003.90 and 229,470.40 is: 344,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,002.60 : 543,003.90 = 229,470.40 : x
  2. Step 2: Convert to fraction form
    362,002.60/543,003.90 = 229,470.40/x
  3. Step 3: Cross multiply
    362,002.60x = 543,003.90 × 229,470.40
  4. Step 4: Simplify right side
    362,002.60x = 124,603,322,134.56
  5. Step 5: Solve for x
    x = 124,603,322,134.56/362,002.60
  6. Step 6: Final answer
    x = 344,205.60

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1.5x scale

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.