Finding the Fourth Proportional to 173,602.10, 260,662.35 and 121,243.70
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Solution
The fourth proportional to 173,602.10, 260,662.35 and 121,243.70 is: 182,046.58
Step by Step Solution
- Step 1: Write the proportion equation
173,602.10 : 260,662.35 = 121,243.70 : x - Step 2: Convert to fraction form
173,602.10/260,662.35 = 121,243.70/x - Step 3: Cross multiply
173,602.10x = 260,662.35 × 121,243.70 - Step 4: Simplify right side
173,602.10x = 31,603,667,764.70 - Step 5: Solve for x
x = 31,603,667,764.70/173,602.10 - Step 6: Final answer
x = 182,046.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.