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Finding the Fourth Proportional to 200,310.30, 301,121.55 and 141,552.90

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Solution

The fourth proportional to 200,310.30, 301,121.55 and 141,552.90 is: 212,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,310.30 : 301,121.55 = 141,552.90 : x
  2. Step 2: Convert to fraction form
    200,310.30/301,121.55 = 141,552.90/x
  3. Step 3: Cross multiply
    200,310.30x = 301,121.55 × 141,552.90
  4. Step 4: Simplify right side
    200,310.30x = 42,624,628,655.00
  5. Step 5: Solve for x
    x = 42,624,628,655.00/200,310.30
  6. Step 6: Final answer
    x = 212,792.99

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1.5x scale

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.