Finding the Fourth Proportional to 212,855.11, 293,734.56 and 117,360.16
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Solution
The fourth proportional to 212,855.11, 293,734.56 and 117,360.16 is: 161,953.99
Step by Step Solution
- Step 1: Write the proportion equation
212,855.11 : 293,734.56 = 117,360.16 : x - Step 2: Convert to fraction form
212,855.11/293,734.56 = 117,360.16/x - Step 3: Cross multiply
212,855.11x = 293,734.56 × 117,360.16 - Step 4: Simplify right side
212,855.11x = 34,472,734,959.13 - Step 5: Solve for x
x = 34,472,734,959.13/212,855.11 - Step 6: Final answer
x = 161,953.99
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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.