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Finding the Fourth Proportional to 200,890.02, 301,327.74 and 60,645

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Solution

The fourth proportional to 200,890.02, 301,327.74 and 60,645 is: 90,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,890.02 : 301,327.74 = 60,645 : x
  2. Step 2: Convert to fraction form
    200,890.02/301,327.74 = 60,645/x
  3. Step 3: Cross multiply
    200,890.02x = 301,327.74 × 60,645
  4. Step 4: Simplify right side
    200,890.02x = 18,274,020,792.30
  5. Step 5: Solve for x
    x = 18,274,020,792.30/200,890.02
  6. Step 6: Final answer
    x = 90,965.30

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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.