Finding the Fourth Proportional to 291,211.99, 436,817.64 and 91,549.82
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Solution
The fourth proportional to 291,211.99, 436,817.64 and 91,549.82 is: 137,324.62
Step by Step Solution
- Step 1: Write the proportion equation
291,211.99 : 436,817.64 = 91,549.82 : x - Step 2: Convert to fraction form
291,211.99/436,817.64 = 91,549.82/x - Step 3: Cross multiply
291,211.99x = 436,817.64 × 91,549.82 - Step 4: Simplify right side
291,211.99x = 39,990,576,314.82 - Step 5: Solve for x
x = 39,990,576,314.82/291,211.99 - Step 6: Final answer
x = 137,324.62
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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.