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Finding the Fourth Proportional to 234,235, 351,362.22 and 68,023

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Solution

The fourth proportional to 234,235, 351,362.22 and 68,023 is: 102,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,235 : 351,362.22 = 68,023 : x
  2. Step 2: Convert to fraction form
    234,235/351,362.22 = 68,023/x
  3. Step 3: Cross multiply
    234,235x = 351,362.22 × 68,023
  4. Step 4: Simplify right side
    234,235x = 23,900,712,291.06
  5. Step 5: Solve for x
    x = 23,900,712,291.06/234,235
  6. Step 6: Final answer
    x = 102,037.32

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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.