Finding the Fourth Proportional to 137,539.55, 206,241.26 and 48,779.75
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Solution
The fourth proportional to 137,539.55, 206,241.26 and 48,779.75 is: 73,145.48
Step by Step Solution
- Step 1: Write the proportion equation
137,539.55 : 206,241.26 = 48,779.75 : x - Step 2: Convert to fraction form
137,539.55/206,241.26 = 48,779.75/x - Step 3: Cross multiply
137,539.55x = 206,241.26 × 48,779.75 - Step 4: Simplify right side
137,539.55x = 10,060,395,827.38 - Step 5: Solve for x
x = 10,060,395,827.38/137,539.55 - Step 6: Final answer
x = 73,145.48
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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.