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Finding the Fourth Proportional to 149,812.92, 224,751.78 and 44,640.36

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Solution

The fourth proportional to 149,812.92, 224,751.78 and 44,640.36 is: 66,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,812.92 : 224,751.78 = 44,640.36 : x
  2. Step 2: Convert to fraction form
    149,812.92/224,751.78 = 44,640.36/x
  3. Step 3: Cross multiply
    149,812.92x = 224,751.78 × 44,640.36
  4. Step 4: Simplify right side
    149,812.92x = 10,033,000,369.84
  5. Step 5: Solve for x
    x = 10,033,000,369.84/149,812.92
  6. Step 6: Final answer
    x = 66,970.19

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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.