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Finding the Fourth Proportional to 228,267, 315,032.04 and 131,474.07

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Solution

The fourth proportional to 228,267, 315,032.04 and 131,474.07 is: 181,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,267 : 315,032.04 = 131,474.07 : x
  2. Step 2: Convert to fraction form
    228,267/315,032.04 = 131,474.07/x
  3. Step 3: Cross multiply
    228,267x = 315,032.04 × 131,474.07
  4. Step 4: Simplify right side
    228,267x = 41,418,544,479.20
  5. Step 5: Solve for x
    x = 41,418,544,479.20/228,267
  6. Step 6: Final answer
    x = 181,447.80

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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.