Finding the Fourth Proportional to 212,294.15, 292,966.46 and 116,806.79
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Solution
The fourth proportional to 212,294.15, 292,966.46 and 116,806.79 is: 161,193.66
Step by Step Solution
- Step 1: Write the proportion equation
212,294.15 : 292,966.46 = 116,806.79 : x - Step 2: Convert to fraction form
212,294.15/292,966.46 = 116,806.79/x - Step 3: Cross multiply
212,294.15x = 292,966.46 × 116,806.79 - Step 4: Simplify right side
212,294.15x = 34,220,471,770.26 - Step 5: Solve for x
x = 34,220,471,770.26/212,294.15 - Step 6: Final answer
x = 161,193.66
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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.