Finding the Fourth Proportional to 311,370.47, 465,349.67 and 227,307.65
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Solution
The fourth proportional to 311,370.47, 465,349.67 and 227,307.65 is: 339,716.02
Step by Step Solution
- Step 1: Write the proportion equation
311,370.47 : 465,349.67 = 227,307.65 : x - Step 2: Convert to fraction form
311,370.47/465,349.67 = 227,307.65/x - Step 3: Cross multiply
311,370.47x = 465,349.67 × 227,307.65 - Step 4: Simplify right side
311,370.47x = 105,777,536,452.69 - Step 5: Solve for x
x = 105,777,536,452.69/311,370.47 - Step 6: Final answer
x = 339,716.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.