Finding the Fourth Proportional to 212,451.84, 293,186.12 and 116,964.99
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Solution
The fourth proportional to 212,451.84, 293,186.12 and 116,964.99 is: 161,413.10
Step by Step Solution
- Step 1: Write the proportion equation
212,451.84 : 293,186.12 = 116,964.99 : x - Step 2: Convert to fraction form
212,451.84/293,186.12 = 116,964.99/x - Step 3: Cross multiply
212,451.84x = 293,186.12 × 116,964.99 - Step 4: Simplify right side
212,451.84x = 34,292,511,009.11 - Step 5: Solve for x
x = 34,292,511,009.11/212,451.84 - Step 6: Final answer
x = 161,413.10
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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.