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Finding the Fourth Proportional to 252,773.46, 348,827.58 and 139,596.12

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Solution

The fourth proportional to 252,773.46, 348,827.58 and 139,596.12 is: 192,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,773.46 : 348,827.58 = 139,596.12 : x
  2. Step 2: Convert to fraction form
    252,773.46/348,827.58 = 139,596.12/x
  3. Step 3: Cross multiply
    252,773.46x = 348,827.58 × 139,596.12
  4. Step 4: Simplify right side
    252,773.46x = 48,694,976,716.99
  5. Step 5: Solve for x
    x = 48,694,976,716.99/252,773.46
  6. Step 6: Final answer
    x = 192,642.76

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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.