Finding the Fourth Proportional to 291,450.47, 437,173.26 and 81,087.80
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Solution
The fourth proportional to 291,450.47, 437,173.26 and 81,087.80 is: 121,631.02
Step by Step Solution
- Step 1: Write the proportion equation
291,450.47 : 437,173.26 = 81,087.80 : x - Step 2: Convert to fraction form
291,450.47/437,173.26 = 81,087.80/x - Step 3: Cross multiply
291,450.47x = 437,173.26 × 81,087.80 - Step 4: Simplify right side
291,450.47x = 35,449,417,872.23 - Step 5: Solve for x
x = 35,449,417,872.23/291,450.47 - Step 6: Final answer
x = 121,631.02
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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.