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Finding the Fourth Proportional to 250,201.06, 345,270.72 and 142,769.14

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Solution

The fourth proportional to 250,201.06, 345,270.72 and 142,769.14 is: 197,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,201.06 : 345,270.72 = 142,769.14 : x
  2. Step 2: Convert to fraction form
    250,201.06/345,270.72 = 142,769.14/x
  3. Step 3: Cross multiply
    250,201.06x = 345,270.72 × 142,769.14
  4. Step 4: Simplify right side
    250,201.06x = 49,294,003,761.58
  5. Step 5: Solve for x
    x = 49,294,003,761.58/250,201.06
  6. Step 6: Final answer
    x = 197,017.57

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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.