Finding the Fourth Proportional to 239,612.10, 330,770.98 and 154,770.54
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Solution
The fourth proportional to 239,612.10, 330,770.98 and 154,770.54 is: 213,651.99
Step by Step Solution
- Step 1: Write the proportion equation
239,612.10 : 330,770.98 = 154,770.54 : x - Step 2: Convert to fraction form
239,612.10/330,770.98 = 154,770.54/x - Step 3: Cross multiply
239,612.10x = 330,770.98 × 154,770.54 - Step 4: Simplify right side
239,612.10x = 51,193,603,190.93 - Step 5: Solve for x
x = 51,193,603,190.93/239,612.10 - Step 6: Final answer
x = 213,651.99
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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.