Finding the Fourth Proportional to 349,896.36, 482,922.90 and 219,134.64
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Solution
The fourth proportional to 349,896.36, 482,922.90 and 219,134.64 is: 302,447.09
Step by Step Solution
- Step 1: Write the proportion equation
349,896.36 : 482,922.90 = 219,134.64 : x - Step 2: Convert to fraction form
349,896.36/482,922.90 = 219,134.64/x - Step 3: Cross multiply
349,896.36x = 482,922.90 × 219,134.64 - Step 4: Simplify right side
349,896.36x = 105,825,135,839.26 - Step 5: Solve for x
x = 105,825,135,839.26/349,896.36 - Step 6: Final answer
x = 302,447.09
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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.