Finding the Fourth Proportional to 212,288.82, 292,963.11 and 116,795.79
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Solution
The fourth proportional to 212,288.82, 292,963.11 and 116,795.79 is: 161,180.69
Step by Step Solution
- Step 1: Write the proportion equation
212,288.82 : 292,963.11 = 116,795.79 : x - Step 2: Convert to fraction form
212,288.82/292,963.11 = 116,795.79/x - Step 3: Cross multiply
212,288.82x = 292,963.11 × 116,795.79 - Step 4: Simplify right side
212,288.82x = 34,216,857,873.31 - Step 5: Solve for x
x = 34,216,857,873.31/212,288.82 - Step 6: Final answer
x = 161,180.69
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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.