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Finding the Fourth Proportional to 200,502, 300,753 and 60,260.76

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Solution

The fourth proportional to 200,502, 300,753 and 60,260.76 is: 90,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,502 : 300,753 = 60,260.76 : x
  2. Step 2: Convert to fraction form
    200,502/300,753 = 60,260.76/x
  3. Step 3: Cross multiply
    200,502x = 300,753 × 60,260.76
  4. Step 4: Simplify right side
    200,502x = 18,123,604,352.28
  5. Step 5: Solve for x
    x = 18,123,604,352.28/200,502
  6. Step 6: Final answer
    x = 90,391.14

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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.