Finding the Fourth Proportional to 212,578.68, 293,357.61 and 117,085.17
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Solution
The fourth proportional to 212,578.68, 293,357.61 and 117,085.17 is: 161,577.00
Step by Step Solution
- Step 1: Write the proportion equation
212,578.68 : 293,357.61 = 117,085.17 : x - Step 2: Convert to fraction form
212,578.68/293,357.61 = 117,085.17/x - Step 3: Cross multiply
212,578.68x = 293,357.61 × 117,085.17 - Step 4: Simplify right side
212,578.68x = 34,347,825,637.64 - Step 5: Solve for x
x = 34,347,825,637.64/212,578.68 - Step 6: Final answer
x = 161,577.00
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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.