Finding the Fourth Proportional to 285,804.87, 394,382.30 and 164,985.08
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Solution
The fourth proportional to 285,804.87, 394,382.30 and 164,985.08 is: 227,663.00
Step by Step Solution
- Step 1: Write the proportion equation
285,804.87 : 394,382.30 = 164,985.08 : x - Step 2: Convert to fraction form
285,804.87/394,382.30 = 164,985.08/x - Step 3: Cross multiply
285,804.87x = 394,382.30 × 164,985.08 - Step 4: Simplify right side
285,804.87x = 65,067,195,477.11 - Step 5: Solve for x
x = 65,067,195,477.11/285,804.87 - Step 6: Final answer
x = 227,663.00
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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.