Finding the Fourth Proportional to 291,486.53, 437,229.80 and 113,868.99
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Solution
The fourth proportional to 291,486.53, 437,229.80 and 113,868.99 is: 170,803.49
Step by Step Solution
- Step 1: Write the proportion equation
291,486.53 : 437,229.80 = 113,868.99 : x - Step 2: Convert to fraction form
291,486.53/437,229.80 = 113,868.99/x - Step 3: Cross multiply
291,486.53x = 437,229.80 × 113,868.99 - Step 4: Simplify right side
291,486.53x = 49,786,915,581.57 - Step 5: Solve for x
x = 49,786,915,581.57/291,486.53 - Step 6: Final answer
x = 170,803.49
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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.