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Finding the Fourth Proportional to 603,650.30, 905,420.09 and 204,245.33

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Solution

The fourth proportional to 603,650.30, 905,420.09 and 204,245.33 is: 306,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,650.30 : 905,420.09 = 204,245.33 : x
  2. Step 2: Convert to fraction form
    603,650.30/905,420.09 = 204,245.33/x
  3. Step 3: Cross multiply
    603,650.30x = 905,420.09 × 204,245.33
  4. Step 4: Simplify right side
    603,650.30x = 184,927,825,070.68
  5. Step 5: Solve for x
    x = 184,927,825,070.68/603,650.30
  6. Step 6: Final answer
    x = 306,349.26

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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.