Finding the Fourth Proportional to 136,314.99, 204,514.20 and 69,802.19
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Solution
The fourth proportional to 136,314.99, 204,514.20 and 69,802.19 is: 104,724.65
Step by Step Solution
- Step 1: Write the proportion equation
136,314.99 : 204,514.20 = 69,802.19 : x - Step 2: Convert to fraction form
136,314.99/204,514.20 = 69,802.19/x - Step 3: Cross multiply
136,314.99x = 204,514.20 × 69,802.19 - Step 4: Simplify right side
136,314.99x = 14,275,539,046.10 - Step 5: Solve for x
x = 14,275,539,046.10/136,314.99 - Step 6: Final answer
x = 104,724.65
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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.