Finding the Fourth Proportional to 203,670.10, 305,382.43 and 91,329.99
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Solution
The fourth proportional to 203,670.10, 305,382.43 and 91,329.99 is: 136,939.95
Step by Step Solution
- Step 1: Write the proportion equation
203,670.10 : 305,382.43 = 91,329.99 : x - Step 2: Convert to fraction form
203,670.10/305,382.43 = 91,329.99/x - Step 3: Cross multiply
203,670.10x = 305,382.43 × 91,329.99 - Step 4: Simplify right side
203,670.10x = 27,890,574,278.08 - Step 5: Solve for x
x = 27,890,574,278.08/203,670.10 - Step 6: Final answer
x = 136,939.95
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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.