Home / 420,550.20-630,971.10-184,062.60

Finding the Fourth Proportional to 420,550.20, 630,971.10 and 184,062.60

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Solution

The fourth proportional to 420,550.20, 630,971.10 and 184,062.60 is: 276,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,550.20 : 630,971.10 = 184,062.60 : x
  2. Step 2: Convert to fraction form
    420,550.20/630,971.10 = 184,062.60/x
  3. Step 3: Cross multiply
    420,550.20x = 630,971.10 × 184,062.60
  4. Step 4: Simplify right side
    420,550.20x = 116,138,181,190.86
  5. Step 5: Solve for x
    x = 116,138,181,190.86/420,550.20
  6. Step 6: Final answer
    x = 276,157.71

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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.