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Finding the Fourth Proportional to 201,900.20, 302,850.30 and 192,714.80

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Solution

The fourth proportional to 201,900.20, 302,850.30 and 192,714.80 is: 289,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,900.20 : 302,850.30 = 192,714.80 : x
  2. Step 2: Convert to fraction form
    201,900.20/302,850.30 = 192,714.80/x
  3. Step 3: Cross multiply
    201,900.20x = 302,850.30 × 192,714.80
  4. Step 4: Simplify right side
    201,900.20x = 58,363,734,994.44
  5. Step 5: Solve for x
    x = 58,363,734,994.44/201,900.20
  6. Step 6: Final answer
    x = 289,072.20

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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.