Finding the Fourth Proportional to 284,942.55, 393,555.33 and 227,779.84
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Solution
The fourth proportional to 284,942.55, 393,555.33 and 227,779.84 is: 314,603.66
Step by Step Solution
- Step 1: Write the proportion equation
284,942.55 : 393,555.33 = 227,779.84 : x - Step 2: Convert to fraction form
284,942.55/393,555.33 = 227,779.84/x - Step 3: Cross multiply
284,942.55x = 393,555.33 × 227,779.84 - Step 4: Simplify right side
284,942.55x = 89,643,969,114.66 - Step 5: Solve for x
x = 89,643,969,114.66/284,942.55 - Step 6: Final answer
x = 314,603.66
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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.