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Finding the Fourth Proportional to 362,405.60, 543,608.40 and 306,418.40

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Solution

The fourth proportional to 362,405.60, 543,608.40 and 306,418.40 is: 459,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,405.60 : 543,608.40 = 306,418.40 : x
  2. Step 2: Convert to fraction form
    362,405.60/543,608.40 = 306,418.40/x
  3. Step 3: Cross multiply
    362,405.60x = 543,608.40 × 306,418.40
  4. Step 4: Simplify right side
    362,405.60x = 166,571,616,154.56
  5. Step 5: Solve for x
    x = 166,571,616,154.56/362,405.60
  6. Step 6: Final answer
    x = 459,627.60

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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.