Finding the Fourth Proportional to 135,909.23, 203,847.99 and 36,077.18
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Solution
The fourth proportional to 135,909.23, 203,847.99 and 36,077.18 is: 54,111.56
Step by Step Solution
- Step 1: Write the proportion equation
135,909.23 : 203,847.99 = 36,077.18 : x - Step 2: Convert to fraction form
135,909.23/203,847.99 = 36,077.18/x - Step 3: Cross multiply
135,909.23x = 203,847.99 × 36,077.18 - Step 4: Simplify right side
135,909.23x = 7,354,259,608.63 - Step 5: Solve for x
x = 7,354,259,608.63/135,909.23 - Step 6: Final answer
x = 54,111.56
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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.