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Finding the Fourth Proportional to 254,511.69, 351,230.35 and 139,800.94

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Solution

The fourth proportional to 254,511.69, 351,230.35 and 139,800.94 is: 192,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,511.69 : 351,230.35 = 139,800.94 : x
  2. Step 2: Convert to fraction form
    254,511.69/351,230.35 = 139,800.94/x
  3. Step 3: Cross multiply
    254,511.69x = 351,230.35 × 139,800.94
  4. Step 4: Simplify right side
    254,511.69x = 49,102,332,737.03
  5. Step 5: Solve for x
    x = 49,102,332,737.03/254,511.69
  6. Step 6: Final answer
    x = 192,927.62

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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.