Finding the Fourth Proportional to 304,635.93, 420,413.12 and 168,684.92
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Solution
The fourth proportional to 304,635.93, 420,413.12 and 168,684.92 is: 232,793.79
Step by Step Solution
- Step 1: Write the proportion equation
304,635.93 : 420,413.12 = 168,684.92 : x - Step 2: Convert to fraction form
304,635.93/420,413.12 = 168,684.92/x - Step 3: Cross multiply
304,635.93x = 420,413.12 × 168,684.92 - Step 4: Simplify right side
304,635.93x = 70,917,353,514.15 - Step 5: Solve for x
x = 70,917,353,514.15/304,635.93 - Step 6: Final answer
x = 232,793.79
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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.