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Finding the Fourth Proportional to 490,812.48, 736,197.30 and 153,845.46

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Solution

The fourth proportional to 490,812.48, 736,197.30 and 153,845.46 is: 230,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,812.48 : 736,197.30 = 153,845.46 : x
  2. Step 2: Convert to fraction form
    490,812.48/736,197.30 = 153,845.46/x
  3. Step 3: Cross multiply
    490,812.48x = 736,197.30 × 153,845.46
  4. Step 4: Simplify right side
    490,812.48x = 113,260,612,269.26
  5. Step 5: Solve for x
    x = 113,260,612,269.26/490,812.48
  6. Step 6: Final answer
    x = 230,761.48

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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.