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Finding the Fourth Proportional to 442,747.92, 610,992.24 and 251,773.02

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Solution

The fourth proportional to 442,747.92, 610,992.24 and 251,773.02 is: 347,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,747.92 : 610,992.24 = 251,773.02 : x
  2. Step 2: Convert to fraction form
    442,747.92/610,992.24 = 251,773.02/x
  3. Step 3: Cross multiply
    442,747.92x = 610,992.24 × 251,773.02
  4. Step 4: Simplify right side
    442,747.92x = 153,831,361,461.37
  5. Step 5: Solve for x
    x = 153,831,361,461.37/442,747.92
  6. Step 6: Final answer
    x = 347,446.83

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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.