Finding the Fourth Proportional to 202,643.75, 303,965.63 and 54,899.75
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Solution
The fourth proportional to 202,643.75, 303,965.63 and 54,899.75 is: 82,349.63
Step by Step Solution
- Step 1: Write the proportion equation
202,643.75 : 303,965.63 = 54,899.75 : x - Step 2: Convert to fraction form
202,643.75/303,965.63 = 54,899.75/x - Step 3: Cross multiply
202,643.75x = 303,965.63 × 54,899.75 - Step 4: Simplify right side
202,643.75x = 16,687,637,095.59 - Step 5: Solve for x
x = 16,687,637,095.59/202,643.75 - Step 6: Final answer
x = 82,349.63
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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.