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Finding the Fourth Proportional to 168,047.22, 251,983.35 and 49,702.59

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Solution

The fourth proportional to 168,047.22, 251,983.35 and 49,702.59 is: 74,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,047.22 : 251,983.35 = 49,702.59 : x
  2. Step 2: Convert to fraction form
    168,047.22/251,983.35 = 49,702.59/x
  3. Step 3: Cross multiply
    168,047.22x = 251,983.35 × 49,702.59
  4. Step 4: Simplify right side
    168,047.22x = 12,524,225,131.88
  5. Step 5: Solve for x
    x = 12,524,225,131.88/168,047.22
  6. Step 6: Final answer
    x = 74,528.01

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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.