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Finding the Fourth Proportional to 336,880.32, 505,584.48 and 235,015.92

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Solution

The fourth proportional to 336,880.32, 505,584.48 and 235,015.92 is: 352,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,880.32 : 505,584.48 = 235,015.92 : x
  2. Step 2: Convert to fraction form
    336,880.32/505,584.48 = 235,015.92/x
  3. Step 3: Cross multiply
    336,880.32x = 505,584.48 × 235,015.92
  4. Step 4: Simplify right side
    336,880.32x = 118,820,401,704.92
  5. Step 5: Solve for x
    x = 118,820,401,704.92/336,880.32
  6. Step 6: Final answer
    x = 352,708.05

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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.