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Finding the Fourth Proportional to 246,854.55, 340,657.31 and 133,677.30

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Solution

The fourth proportional to 246,854.55, 340,657.31 and 133,677.30 is: 184,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,854.55 : 340,657.31 = 133,677.30 : x
  2. Step 2: Convert to fraction form
    246,854.55/340,657.31 = 133,677.30/x
  3. Step 3: Cross multiply
    246,854.55x = 340,657.31 × 133,677.30
  4. Step 4: Simplify right side
    246,854.55x = 45,538,151,037.72
  5. Step 5: Solve for x
    x = 45,538,151,037.72/246,854.55
  6. Step 6: Final answer
    x = 184,473.61

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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.