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Finding the Fourth Proportional to 228,310.88, 314,992.32 and 132,739.52

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Solution

The fourth proportional to 228,310.88, 314,992.32 and 132,739.52 is: 183,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,310.88 : 314,992.32 = 132,739.52 : x
  2. Step 2: Convert to fraction form
    228,310.88/314,992.32 = 132,739.52/x
  3. Step 3: Cross multiply
    228,310.88x = 314,992.32 × 132,739.52
  4. Step 4: Simplify right side
    228,310.88x = 41,811,929,360.49
  5. Step 5: Solve for x
    x = 41,811,929,360.49/228,310.88
  6. Step 6: Final answer
    x = 183,135.95

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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.