Finding the Fourth Proportional to 202,863.88, 304,302.75 and 69,742.99
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Solution
The fourth proportional to 202,863.88, 304,302.75 and 69,742.99 is: 104,616.87
Step by Step Solution
- Step 1: Write the proportion equation
202,863.88 : 304,302.75 = 69,742.99 : x - Step 2: Convert to fraction form
202,863.88/304,302.75 = 69,742.99/x - Step 3: Cross multiply
202,863.88x = 304,302.75 × 69,742.99 - Step 4: Simplify right side
202,863.88x = 21,222,983,650.22 - Step 5: Solve for x
x = 21,222,983,650.22/202,863.88 - Step 6: Final answer
x = 104,616.87
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1.5x scale
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.