Finding the Fourth Proportional to 212,580.35, 293,349.80 and 132,006.14
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Solution
The fourth proportional to 212,580.35, 293,349.80 and 132,006.14 is: 182,161.59
Step by Step Solution
- Step 1: Write the proportion equation
212,580.35 : 293,349.80 = 132,006.14 : x - Step 2: Convert to fraction form
212,580.35/293,349.80 = 132,006.14/x - Step 3: Cross multiply
212,580.35x = 293,349.80 × 132,006.14 - Step 4: Simplify right side
212,580.35x = 38,723,972,640.99 - Step 5: Solve for x
x = 38,723,972,640.99/212,580.35 - Step 6: Final answer
x = 182,161.59
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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.