Finding the Fourth Proportional to 361,249.60, 542,392.80 and 203,785.60
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Solution
The fourth proportional to 361,249.60, 542,392.80 and 203,785.60 is: 305,970.84
Step by Step Solution
- Step 1: Write the proportion equation
361,249.60 : 542,392.80 = 203,785.60 : x - Step 2: Convert to fraction form
361,249.60/542,392.80 = 203,785.60/x - Step 3: Cross multiply
361,249.60x = 542,392.80 × 203,785.60 - Step 4: Simplify right side
361,249.60x = 110,531,842,183.68 - Step 5: Solve for x
x = 110,531,842,183.68/361,249.60 - Step 6: Final answer
x = 305,970.84
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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.