Finding the Fourth Proportional to 276,739.96, 415,214.44 and 108,380.48
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Solution
The fourth proportional to 276,739.96, 415,214.44 and 108,380.48 is: 162,611.65
Step by Step Solution
- Step 1: Write the proportion equation
276,739.96 : 415,214.44 = 108,380.48 : x - Step 2: Convert to fraction form
276,739.96/415,214.44 = 108,380.48/x - Step 3: Cross multiply
276,739.96x = 415,214.44 × 108,380.48 - Step 4: Simplify right side
276,739.96x = 45,001,140,310.13 - Step 5: Solve for x
x = 45,001,140,310.13/276,739.96 - Step 6: Final answer
x = 162,611.65
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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.