Finding the Fourth Proportional to 212,232.47, 292,874.67 and 116,739.18
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Solution
The fourth proportional to 212,232.47, 292,874.67 and 116,739.18 is: 161,096.70
Step by Step Solution
- Step 1: Write the proportion equation
212,232.47 : 292,874.67 = 116,739.18 : x - Step 2: Convert to fraction form
212,232.47/292,874.67 = 116,739.18/x - Step 3: Cross multiply
212,232.47x = 292,874.67 × 116,739.18 - Step 4: Simplify right side
212,232.47x = 34,189,948,818.57 - Step 5: Solve for x
x = 34,189,948,818.57/212,232.47 - Step 6: Final answer
x = 161,096.70
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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.