Finding the Fourth Proportional to 200,413.92, 276,621.12 and 115,582.08
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Solution
The fourth proportional to 200,413.92, 276,621.12 and 115,582.08 is: 159,532.05
Step by Step Solution
- Step 1: Write the proportion equation
200,413.92 : 276,621.12 = 115,582.08 : x - Step 2: Convert to fraction form
200,413.92/276,621.12 = 115,582.08/x - Step 3: Cross multiply
200,413.92x = 276,621.12 × 115,582.08 - Step 4: Simplify right side
200,413.92x = 31,972,444,421.53 - Step 5: Solve for x
x = 31,972,444,421.53/200,413.92 - Step 6: Final answer
x = 159,532.05
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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.