Finding the Fourth Proportional to 212,200.70, 292,839.41 and 116,708.99
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Solution
The fourth proportional to 212,200.70, 292,839.41 and 116,708.99 is: 161,059.74
Step by Step Solution
- Step 1: Write the proportion equation
212,200.70 : 292,839.41 = 116,708.99 : x - Step 2: Convert to fraction form
212,200.70/292,839.41 = 116,708.99/x - Step 3: Cross multiply
212,200.70x = 292,839.41 × 116,708.99 - Step 4: Simplify right side
212,200.70x = 34,176,989,725.55 - Step 5: Solve for x
x = 34,176,989,725.55/212,200.70 - Step 6: Final answer
x = 161,059.74
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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.