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Finding the Fourth Proportional to 270,009.87, 372,598.20 and 161,236.97

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Solution

The fourth proportional to 270,009.87, 372,598.20 and 161,236.97 is: 222,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,009.87 : 372,598.20 = 161,236.97 : x
  2. Step 2: Convert to fraction form
    270,009.87/372,598.20 = 161,236.97/x
  3. Step 3: Cross multiply
    270,009.87x = 372,598.20 × 161,236.97
  4. Step 4: Simplify right side
    270,009.87x = 60,076,602,932.46
  5. Step 5: Solve for x
    x = 60,076,602,932.46/270,009.87
  6. Step 6: Final answer
    x = 222,497.80

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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.