Finding the Fourth Proportional to 231,724.54, 347,718.19 and 125,107.08
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Solution
The fourth proportional to 231,724.54, 347,718.19 and 125,107.08 is: 187,731.55
Step by Step Solution
- Step 1: Write the proportion equation
231,724.54 : 347,718.19 = 125,107.08 : x - Step 2: Convert to fraction form
231,724.54/347,718.19 = 125,107.08/x - Step 3: Cross multiply
231,724.54x = 347,718.19 × 125,107.08 - Step 4: Simplify right side
231,724.54x = 43,502,007,413.79 - Step 5: Solve for x
x = 43,502,007,413.79/231,724.54 - Step 6: Final answer
x = 187,731.55
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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.