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Finding the Fourth Proportional to 250,168.56, 345,225.88 and 142,736.64

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Solution

The fourth proportional to 250,168.56, 345,225.88 and 142,736.64 is: 196,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,168.56 : 345,225.88 = 142,736.64 : x
  2. Step 2: Convert to fraction form
    250,168.56/345,225.88 = 142,736.64/x
  3. Step 3: Cross multiply
    250,168.56x = 345,225.88 × 142,736.64
  4. Step 4: Simplify right side
    250,168.56x = 49,276,382,152.24
  5. Step 5: Solve for x
    x = 49,276,382,152.24/250,168.56
  6. Step 6: Final answer
    x = 196,972.72

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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.