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Finding the Fourth Proportional to 452,845.70, 624,942.03 and 248,903.90

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Solution

The fourth proportional to 452,845.70, 624,942.03 and 248,903.90 is: 343,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,845.70 : 624,942.03 = 248,903.90 : x
  2. Step 2: Convert to fraction form
    452,845.70/624,942.03 = 248,903.90/x
  3. Step 3: Cross multiply
    452,845.70x = 624,942.03 × 248,903.90
  4. Step 4: Simplify right side
    452,845.70x = 155,550,508,540.92
  5. Step 5: Solve for x
    x = 155,550,508,540.92/452,845.70
  6. Step 6: Final answer
    x = 343,495.61

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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.