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Finding the Fourth Proportional to 250,239.70, 345,244.98 and 142,732.36

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Solution

The fourth proportional to 250,239.70, 345,244.98 and 142,732.36 is: 196,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,239.70 : 345,244.98 = 142,732.36 : x
  2. Step 2: Convert to fraction form
    250,239.70/345,244.98 = 142,732.36/x
  3. Step 3: Cross multiply
    250,239.70x = 345,244.98 × 142,732.36
  4. Step 4: Simplify right side
    250,239.70x = 49,277,630,773.55
  5. Step 5: Solve for x
    x = 49,277,630,773.55/250,239.70
  6. Step 6: Final answer
    x = 196,921.71

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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.