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Finding the Fourth Proportional to 243,392.54, 335,880.87 and 134,493.85

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Solution

The fourth proportional to 243,392.54, 335,880.87 and 134,493.85 is: 185,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,392.54 : 335,880.87 = 134,493.85 : x
  2. Step 2: Convert to fraction form
    243,392.54/335,880.87 = 134,493.85/x
  3. Step 3: Cross multiply
    243,392.54x = 335,880.87 × 134,493.85
  4. Step 4: Simplify right side
    243,392.54x = 45,173,909,668.25
  5. Step 5: Solve for x
    x = 45,173,909,668.25/243,392.54
  6. Step 6: Final answer
    x = 185,601.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.