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Finding the Fourth Proportional to 252,606.60, 348,600 and 139,429.44

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Solution

The fourth proportional to 252,606.60, 348,600 and 139,429.44 is: 192,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,606.60 : 348,600 = 139,429.44 : x
  2. Step 2: Convert to fraction form
    252,606.60/348,600 = 139,429.44/x
  3. Step 3: Cross multiply
    252,606.60x = 348,600 × 139,429.44
  4. Step 4: Simplify right side
    252,606.60x = 48,605,102,784
  5. Step 5: Solve for x
    x = 48,605,102,784/252,606.60
  6. Step 6: Final answer
    x = 192,414.22

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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.