Finding the Fourth Proportional to 108,537.01, 149,782.67 and 63,213.82
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Solution
The fourth proportional to 108,537.01, 149,782.67 and 63,213.82 is: 87,235.99
Step by Step Solution
- Step 1: Write the proportion equation
108,537.01 : 149,782.67 = 63,213.82 : x - Step 2: Convert to fraction form
108,537.01/149,782.67 = 63,213.82/x - Step 3: Cross multiply
108,537.01x = 149,782.67 × 63,213.82 - Step 4: Simplify right side
108,537.01x = 9,468,334,287.03 - Step 5: Solve for x
x = 9,468,334,287.03/108,537.01 - Step 6: Final answer
x = 87,235.99
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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.