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Finding the Fourth Proportional to 200,892.45, 301,338.69 and 156,552.39

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Solution

The fourth proportional to 200,892.45, 301,338.69 and 156,552.39 is: 234,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,892.45 : 301,338.69 = 156,552.39 : x
  2. Step 2: Convert to fraction form
    200,892.45/301,338.69 = 156,552.39/x
  3. Step 3: Cross multiply
    200,892.45x = 301,338.69 × 156,552.39
  4. Step 4: Simplify right side
    200,892.45x = 47,175,292,118.97
  5. Step 5: Solve for x
    x = 47,175,292,118.97/200,892.45
  6. Step 6: Final answer
    x = 234,828.60

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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.