Finding the Fourth Proportional to 322,957.53, 445,664.82 and 246,530.08
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Solution
The fourth proportional to 322,957.53, 445,664.82 and 246,530.08 is: 340,198.86
Step by Step Solution
- Step 1: Write the proportion equation
322,957.53 : 445,664.82 = 246,530.08 : x - Step 2: Convert to fraction form
322,957.53/445,664.82 = 246,530.08/x - Step 3: Cross multiply
322,957.53x = 445,664.82 × 246,530.08 - Step 4: Simplify right side
322,957.53x = 109,869,780,266.81 - Step 5: Solve for x
x = 109,869,780,266.81/322,957.53 - Step 6: Final answer
x = 340,198.86
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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.