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Finding the Fourth Proportional to 493,846.02, 740,693.22 and 156,843.06

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Solution

The fourth proportional to 493,846.02, 740,693.22 and 156,843.06 is: 235,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,846.02 : 740,693.22 = 156,843.06 : x
  2. Step 2: Convert to fraction form
    493,846.02/740,693.22 = 156,843.06/x
  3. Step 3: Cross multiply
    493,846.02x = 740,693.22 × 156,843.06
  4. Step 4: Simplify right side
    493,846.02x = 116,172,591,146.05
  5. Step 5: Solve for x
    x = 116,172,591,146.05/493,846.02
  6. Step 6: Final answer
    x = 235,240.51

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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.