Finding the Fourth Proportional to 322,716.57, 445,342.53 and 179,473.53
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Solution
The fourth proportional to 322,716.57, 445,342.53 and 179,473.53 is: 247,669.95
Step by Step Solution
- Step 1: Write the proportion equation
322,716.57 : 445,342.53 = 179,473.53 : x - Step 2: Convert to fraction form
322,716.57/445,342.53 = 179,473.53/x - Step 3: Cross multiply
322,716.57x = 445,342.53 × 179,473.53 - Step 4: Simplify right side
322,716.57x = 79,927,195,918.23 - Step 5: Solve for x
x = 79,927,195,918.23/322,716.57 - Step 6: Final answer
x = 247,669.95
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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.