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Finding the Fourth Proportional to 255,173.09, 352,247.94 and 181,633.39

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Solution

The fourth proportional to 255,173.09, 352,247.94 and 181,633.39 is: 250,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,173.09 : 352,247.94 = 181,633.39 : x
  2. Step 2: Convert to fraction form
    255,173.09/352,247.94 = 181,633.39/x
  3. Step 3: Cross multiply
    255,173.09x = 352,247.94 × 181,633.39
  4. Step 4: Simplify right side
    255,173.09x = 63,979,986,582.10
  5. Step 5: Solve for x
    x = 63,979,986,582.10/255,173.09
  6. Step 6: Final answer
    x = 250,731.72

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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.