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Finding the Fourth Proportional to 250,025.64, 345,026.76 and 142,630.44

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Solution

The fourth proportional to 250,025.64, 345,026.76 and 142,630.44 is: 196,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,025.64 : 345,026.76 = 142,630.44 : x
  2. Step 2: Convert to fraction form
    250,025.64/345,026.76 = 142,630.44/x
  3. Step 3: Cross multiply
    250,025.64x = 345,026.76 × 142,630.44
  4. Step 4: Simplify right side
    250,025.64x = 49,211,318,590.57
  5. Step 5: Solve for x
    x = 49,211,318,590.57/250,025.64
  6. Step 6: Final answer
    x = 196,825.09

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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.