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Finding the Fourth Proportional to 234,679.88, 352,019.10 and 202,995.70

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Solution

The fourth proportional to 234,679.88, 352,019.10 and 202,995.70 is: 304,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,679.88 : 352,019.10 = 202,995.70 : x
  2. Step 2: Convert to fraction form
    234,679.88/352,019.10 = 202,995.70/x
  3. Step 3: Cross multiply
    234,679.88x = 352,019.10 × 202,995.70
  4. Step 4: Simplify right side
    234,679.88x = 71,458,363,617.87
  5. Step 5: Solve for x
    x = 71,458,363,617.87/234,679.88
  6. Step 6: Final answer
    x = 304,492.93

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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.