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Finding the Fourth Proportional to 490,027.47, 735,092.06 and 135,041.55

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Solution

The fourth proportional to 490,027.47, 735,092.06 and 135,041.55 is: 202,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,027.47 : 735,092.06 = 135,041.55 : x
  2. Step 2: Convert to fraction form
    490,027.47/735,092.06 = 135,041.55/x
  3. Step 3: Cross multiply
    490,027.47x = 735,092.06 × 135,041.55
  4. Step 4: Simplify right side
    490,027.47x = 99,267,970,499.89
  5. Step 5: Solve for x
    x = 99,267,970,499.89/490,027.47
  6. Step 6: Final answer
    x = 202,576.34

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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.