Finding the Fourth Proportional to 212,163.53, 292,787.75 and 116,670.88
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Solution
The fourth proportional to 212,163.53, 292,787.75 and 116,670.88 is: 161,006.95
Step by Step Solution
- Step 1: Write the proportion equation
212,163.53 : 292,787.75 = 116,670.88 : x - Step 2: Convert to fraction form
212,163.53/292,787.75 = 116,670.88/x - Step 3: Cross multiply
212,163.53x = 292,787.75 × 116,670.88 - Step 4: Simplify right side
212,163.53x = 34,159,802,398.43 - Step 5: Solve for x
x = 34,159,802,398.43/212,163.53 - Step 6: Final answer
x = 161,006.95
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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.