Finding the Fourth Proportional to 212,207.14, 292,855.12 and 116,717.32
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Solution
The fourth proportional to 212,207.14, 292,855.12 and 116,717.32 is: 161,075.00
Step by Step Solution
- Step 1: Write the proportion equation
212,207.14 : 292,855.12 = 116,717.32 : x - Step 2: Convert to fraction form
212,207.14/292,855.12 = 116,717.32/x - Step 3: Cross multiply
212,207.14x = 292,855.12 × 116,717.32 - Step 4: Simplify right side
212,207.14x = 34,181,264,754.68 - Step 5: Solve for x
x = 34,181,264,754.68/212,207.14 - Step 6: Final answer
x = 161,075.00
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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.