Finding the Fourth Proportional to 212,266.68, 292,921.86 and 116,773.32
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Solution
The fourth proportional to 212,266.68, 292,921.86 and 116,773.32 is: 161,143.79
Step by Step Solution
- Step 1: Write the proportion equation
212,266.68 : 292,921.86 = 116,773.32 : x - Step 2: Convert to fraction form
212,266.68/292,921.86 = 116,773.32/x - Step 3: Cross multiply
212,266.68x = 292,921.86 × 116,773.32 - Step 4: Simplify right side
212,266.68x = 34,205,458,092.78 - Step 5: Solve for x
x = 34,205,458,092.78/212,266.68 - Step 6: Final answer
x = 161,143.79
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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.