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Finding the Fourth Proportional to 281,504.99, 388,414.46 and 166,726.37

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Solution

The fourth proportional to 281,504.99, 388,414.46 and 166,726.37 is: 230,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,504.99 : 388,414.46 = 166,726.37 : x
  2. Step 2: Convert to fraction form
    281,504.99/388,414.46 = 166,726.37/x
  3. Step 3: Cross multiply
    281,504.99x = 388,414.46 × 166,726.37
  4. Step 4: Simplify right side
    281,504.99x = 64,758,931,446.05
  5. Step 5: Solve for x
    x = 64,758,931,446.05/281,504.99
  6. Step 6: Final answer
    x = 230,045.42

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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.