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Finding the Fourth Proportional to 253,867.10, 350,375.16 and 162,026

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Solution

The fourth proportional to 253,867.10, 350,375.16 and 162,026 is: 223,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,867.10 : 350,375.16 = 162,026 : x
  2. Step 2: Convert to fraction form
    253,867.10/350,375.16 = 162,026/x
  3. Step 3: Cross multiply
    253,867.10x = 350,375.16 × 162,026
  4. Step 4: Simplify right side
    253,867.10x = 56,769,885,674.16
  5. Step 5: Solve for x
    x = 56,769,885,674.16/253,867.10
  6. Step 6: Final answer
    x = 223,620.49

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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.