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Finding the Fourth Proportional to 308,826.40, 463,239.60 and 303,577.60

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Solution

The fourth proportional to 308,826.40, 463,239.60 and 303,577.60 is: 455,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,826.40 : 463,239.60 = 303,577.60 : x
  2. Step 2: Convert to fraction form
    308,826.40/463,239.60 = 303,577.60/x
  3. Step 3: Cross multiply
    308,826.40x = 463,239.60 × 303,577.60
  4. Step 4: Simplify right side
    308,826.40x = 140,629,165,992.96
  5. Step 5: Solve for x
    x = 140,629,165,992.96/308,826.40
  6. Step 6: Final answer
    x = 455,366.40

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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.