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Finding the Fourth Proportional to 240,969.89, 360,880.27 and 139,553.66

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Solution

The fourth proportional to 240,969.89, 360,880.27 and 139,553.66 is: 208,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,969.89 : 360,880.27 = 139,553.66 : x
  2. Step 2: Convert to fraction form
    240,969.89/360,880.27 = 139,553.66/x
  3. Step 3: Cross multiply
    240,969.89x = 360,880.27 × 139,553.66
  4. Step 4: Simplify right side
    240,969.89x = 50,362,163,838.59
  5. Step 5: Solve for x
    x = 50,362,163,838.59/240,969.89
  6. Step 6: Final answer
    x = 208,997.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.