Finding the Fourth Proportional to 221,452.95, 305,604.99 and 120,850.95
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Solution
The fourth proportional to 221,452.95, 305,604.99 and 120,850.95 is: 166,774.27
Step by Step Solution
- Step 1: Write the proportion equation
221,452.95 : 305,604.99 = 120,850.95 : x - Step 2: Convert to fraction form
221,452.95/305,604.99 = 120,850.95/x - Step 3: Cross multiply
221,452.95x = 305,604.99 × 120,850.95 - Step 4: Simplify right side
221,452.95x = 36,932,653,366.24 - Step 5: Solve for x
x = 36,932,653,366.24/221,452.95 - Step 6: Final answer
x = 166,774.27
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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.