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Finding the Fourth Proportional to 300,523.60, 449,910.60 and 291,775.60

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Solution

The fourth proportional to 300,523.60, 449,910.60 and 291,775.60 is: 436,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,523.60 : 449,910.60 = 291,775.60 : x
  2. Step 2: Convert to fraction form
    300,523.60/449,910.60 = 291,775.60/x
  3. Step 3: Cross multiply
    300,523.60x = 449,910.60 × 291,775.60
  4. Step 4: Simplify right side
    300,523.60x = 131,272,935,261.36
  5. Step 5: Solve for x
    x = 131,272,935,261.36/300,523.60
  6. Step 6: Final answer
    x = 436,814.06

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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.