Finding the Fourth Proportional to 212,198.96, 292,840.68 and 116,711.80
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Solution
The fourth proportional to 212,198.96, 292,840.68 and 116,711.80 is: 161,065.65
Step by Step Solution
- Step 1: Write the proportion equation
212,198.96 : 292,840.68 = 116,711.80 : x - Step 2: Convert to fraction form
212,198.96/292,840.68 = 116,711.80/x - Step 3: Cross multiply
212,198.96x = 292,840.68 × 116,711.80 - Step 4: Simplify right side
212,198.96x = 34,177,962,876.02 - Step 5: Solve for x
x = 34,177,962,876.02/212,198.96 - Step 6: Final answer
x = 161,065.65
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1.5x scale
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.