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Finding the Fourth Proportional to 248,296.76, 342,625.82 and 139,376.14

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Solution

The fourth proportional to 248,296.76, 342,625.82 and 139,376.14 is: 192,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,296.76 : 342,625.82 = 139,376.14 : x
  2. Step 2: Convert to fraction form
    248,296.76/342,625.82 = 139,376.14/x
  3. Step 3: Cross multiply
    248,296.76x = 342,625.82 × 139,376.14
  4. Step 4: Simplify right side
    248,296.76x = 47,753,864,629.76
  5. Step 5: Solve for x
    x = 47,753,864,629.76/248,296.76
  6. Step 6: Final answer
    x = 192,325.77

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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.