Finding the Fourth Proportional to 325,935.08, 489,042.04 and 136,439.73
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Solution
The fourth proportional to 325,935.08, 489,042.04 and 136,439.73 is: 204,717.96
Step by Step Solution
- Step 1: Write the proportion equation
325,935.08 : 489,042.04 = 136,439.73 : x - Step 2: Convert to fraction form
325,935.08/489,042.04 = 136,439.73/x - Step 3: Cross multiply
325,935.08x = 489,042.04 × 136,439.73 - Step 4: Simplify right side
325,935.08x = 66,724,763,896.25 - Step 5: Solve for x
x = 66,724,763,896.25/325,935.08 - Step 6: Final answer
x = 204,717.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.