Finding the Fourth Proportional to 229,770.58, 316,731.97 and 161,601.79
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Solution
The fourth proportional to 229,770.58, 316,731.97 and 161,601.79 is: 222,763.30
Step by Step Solution
- Step 1: Write the proportion equation
229,770.58 : 316,731.97 = 161,601.79 : x - Step 2: Convert to fraction form
229,770.58/316,731.97 = 161,601.79/x - Step 3: Cross multiply
229,770.58x = 316,731.97 × 161,601.79 - Step 4: Simplify right side
229,770.58x = 51,184,453,302.23 - Step 5: Solve for x
x = 51,184,453,302.23/229,770.58 - Step 6: Final answer
x = 222,763.30
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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.