Finding the Fourth Proportional to 263,539.70, 363,687.72 and 142,683.62
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Solution
The fourth proportional to 263,539.70, 363,687.72 and 142,683.62 is: 196,904.98
Step by Step Solution
- Step 1: Write the proportion equation
263,539.70 : 363,687.72 = 142,683.62 : x - Step 2: Convert to fraction form
263,539.70/363,687.72 = 142,683.62/x - Step 3: Cross multiply
263,539.70x = 363,687.72 × 142,683.62 - Step 4: Simplify right side
263,539.70x = 51,892,280,439.15 - Step 5: Solve for x
x = 51,892,280,439.15/263,539.70 - Step 6: Final answer
x = 196,904.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.