Finding the Fourth Proportional to 212,243.10, 292,893.84 and 116,747.70
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Solution
The fourth proportional to 212,243.10, 292,893.84 and 116,747.70 is: 161,110.92
Step by Step Solution
- Step 1: Write the proportion equation
212,243.10 : 292,893.84 = 116,747.70 : x - Step 2: Convert to fraction form
212,243.10/292,893.84 = 116,747.70/x - Step 3: Cross multiply
212,243.10x = 292,893.84 × 116,747.70 - Step 4: Simplify right side
212,243.10x = 34,194,682,164.17 - Step 5: Solve for x
x = 34,194,682,164.17/212,243.10 - Step 6: Final answer
x = 161,110.92
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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.