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Finding the Fourth Proportional to 234,236, 351,363.72 and 68,024

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Solution

The fourth proportional to 234,236, 351,363.72 and 68,024 is: 102,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,236 : 351,363.72 = 68,024 : x
  2. Step 2: Convert to fraction form
    234,236/351,363.72 = 68,024/x
  3. Step 3: Cross multiply
    234,236x = 351,363.72 × 68,024
  4. Step 4: Simplify right side
    234,236x = 23,901,165,689.28
  5. Step 5: Solve for x
    x = 23,901,165,689.28/234,236
  6. Step 6: Final answer
    x = 102,038.82

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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.