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Finding the Fourth Proportional to 299,889.27, 413,858.33 and 163,932.45

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Solution

The fourth proportional to 299,889.27, 413,858.33 and 163,932.45 is: 226,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,889.27 : 413,858.33 = 163,932.45 : x
  2. Step 2: Convert to fraction form
    299,889.27/413,858.33 = 163,932.45/x
  3. Step 3: Cross multiply
    299,889.27x = 413,858.33 × 163,932.45
  4. Step 4: Simplify right side
    299,889.27x = 67,844,809,989.81
  5. Step 5: Solve for x
    x = 67,844,809,989.81/299,889.27
  6. Step 6: Final answer
    x = 226,232.87

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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.