Finding the Fourth Proportional to 91,495.26, 137,246.99 and 40,200.55
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Solution
The fourth proportional to 91,495.26, 137,246.99 and 40,200.55 is: 60,302.62
Step by Step Solution
- Step 1: Write the proportion equation
91,495.26 : 137,246.99 = 40,200.55 : x - Step 2: Convert to fraction form
91,495.26/137,246.99 = 40,200.55/x - Step 3: Cross multiply
91,495.26x = 137,246.99 × 40,200.55 - Step 4: Simplify right side
91,495.26x = 5,517,404,241.23 - Step 5: Solve for x
x = 5,517,404,241.23/91,495.26 - Step 6: Final answer
x = 60,302.62
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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.