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Finding the Fourth Proportional to 362,251.20, 543,376.80 and 303,639.60

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Solution

The fourth proportional to 362,251.20, 543,376.80 and 303,639.60 is: 455,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,251.20 : 543,376.80 = 303,639.60 : x
  2. Step 2: Convert to fraction form
    362,251.20/543,376.80 = 303,639.60/x
  3. Step 3: Cross multiply
    362,251.20x = 543,376.80 × 303,639.60
  4. Step 4: Simplify right side
    362,251.20x = 164,990,714,201.28
  5. Step 5: Solve for x
    x = 164,990,714,201.28/362,251.20
  6. Step 6: Final answer
    x = 455,459.40

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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.