Finding the Fourth Proportional to 212,151.75, 292,773.86 and 116,663.68
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Solution
The fourth proportional to 212,151.75, 292,773.86 and 116,663.68 is: 160,998.32
Step by Step Solution
- Step 1: Write the proportion equation
212,151.75 : 292,773.86 = 116,663.68 : x - Step 2: Convert to fraction form
212,151.75/292,773.86 = 116,663.68/x - Step 3: Cross multiply
212,151.75x = 292,773.86 × 116,663.68 - Step 4: Simplify right side
212,151.75x = 34,156,075,915.40 - Step 5: Solve for x
x = 34,156,075,915.40/212,151.75 - Step 6: Final answer
x = 160,998.32
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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.