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Finding the Fourth Proportional to 250,188, 345,157.44 and 148,137.60

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Solution

The fourth proportional to 250,188, 345,157.44 and 148,137.60 is: 204,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,188 : 345,157.44 = 148,137.60 : x
  2. Step 2: Convert to fraction form
    250,188/345,157.44 = 148,137.60/x
  3. Step 3: Cross multiply
    250,188x = 345,157.44 × 148,137.60
  4. Step 4: Simplify right side
    250,188x = 51,130,794,783.74
  5. Step 5: Solve for x
    x = 51,130,794,783.74/250,188
  6. Step 6: Final answer
    x = 204,369.49

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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.