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Finding the Fourth Proportional to 246,671.16, 340,406.20 and 133,493.91

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Solution

The fourth proportional to 246,671.16, 340,406.20 and 133,493.91 is: 184,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,671.16 : 340,406.20 = 133,493.91 : x
  2. Step 2: Convert to fraction form
    246,671.16/340,406.20 = 133,493.91/x
  3. Step 3: Cross multiply
    246,671.16x = 340,406.20 × 133,493.91
  4. Step 4: Simplify right side
    246,671.16x = 45,442,152,765.68
  5. Step 5: Solve for x
    x = 45,442,152,765.68/246,671.16
  6. Step 6: Final answer
    x = 184,221.59

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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.