Finding the Fourth Proportional to 212,841.84, 293,723.64 and 117,351.96
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Solution
The fourth proportional to 212,841.84, 293,723.64 and 117,351.96 is: 161,946.75
Step by Step Solution
- Step 1: Write the proportion equation
212,841.84 : 293,723.64 = 117,351.96 : x - Step 2: Convert to fraction form
212,841.84/293,723.64 = 117,351.96/x - Step 3: Cross multiply
212,841.84x = 293,723.64 × 117,351.96 - Step 4: Simplify right side
212,841.84x = 34,469,044,852.33 - Step 5: Solve for x
x = 34,469,044,852.33/212,841.84 - Step 6: Final answer
x = 161,946.75
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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.