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Finding the Fourth Proportional to 331,671.22, 497,512.23 and 95,012.98

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Solution

The fourth proportional to 331,671.22, 497,512.23 and 95,012.98 is: 142,521.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,671.22 : 497,512.23 = 95,012.98 : x
  2. Step 2: Convert to fraction form
    331,671.22/497,512.23 = 95,012.98/x
  3. Step 3: Cross multiply
    331,671.22x = 497,512.23 × 95,012.98
  4. Step 4: Simplify right side
    331,671.22x = 47,270,119,558.75
  5. Step 5: Solve for x
    x = 47,270,119,558.75/331,671.22
  6. Step 6: Final answer
    x = 142,521.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.