Finding the Fourth Proportional to 212,242.74, 292,891.86 and 116,743.74
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Solution
The fourth proportional to 212,242.74, 292,891.86 and 116,743.74 is: 161,104.64
Step by Step Solution
- Step 1: Write the proportion equation
212,242.74 : 292,891.86 = 116,743.74 : x - Step 2: Convert to fraction form
212,242.74/292,891.86 = 116,743.74/x - Step 3: Cross multiply
212,242.74x = 292,891.86 × 116,743.74 - Step 4: Simplify right side
212,242.74x = 34,193,291,151.96 - Step 5: Solve for x
x = 34,193,291,151.96/212,242.74 - Step 6: Final answer
x = 161,104.64
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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.