Finding the Fourth Proportional to 378,185.63, 521,896.16 and 227,282.63
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Solution
The fourth proportional to 378,185.63, 521,896.16 and 227,282.63 is: 313,650.02
Step by Step Solution
- Step 1: Write the proportion equation
378,185.63 : 521,896.16 = 227,282.63 : x - Step 2: Convert to fraction form
378,185.63/521,896.16 = 227,282.63/x - Step 3: Cross multiply
378,185.63x = 521,896.16 × 227,282.63 - Step 4: Simplify right side
378,185.63x = 118,617,929,790.43 - Step 5: Solve for x
x = 118,617,929,790.43/378,185.63 - Step 6: Final answer
x = 313,650.02
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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.