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Finding the Fourth Proportional to 276,099.01, 380,861.01 and 165,689.10

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Solution

The fourth proportional to 276,099.01, 380,861.01 and 165,689.10 is: 228,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,099.01 : 380,861.01 = 165,689.10 : x
  2. Step 2: Convert to fraction form
    276,099.01/380,861.01 = 165,689.10/x
  3. Step 3: Cross multiply
    276,099.01x = 380,861.01 × 165,689.10
  4. Step 4: Simplify right side
    276,099.01x = 63,104,517,971.99
  5. Step 5: Solve for x
    x = 63,104,517,971.99/276,099.01
  6. Step 6: Final answer
    x = 228,557.57

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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.