Finding the Fourth Proportional to 163,545.35, 245,413.19 and 68,768.67
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Solution
The fourth proportional to 163,545.35, 245,413.19 and 68,768.67 is: 103,193.02
Step by Step Solution
- Step 1: Write the proportion equation
163,545.35 : 245,413.19 = 68,768.67 : x - Step 2: Convert to fraction form
163,545.35/245,413.19 = 68,768.67/x - Step 3: Cross multiply
163,545.35x = 245,413.19 × 68,768.67 - Step 4: Simplify right side
163,545.35x = 16,876,738,332.91 - Step 5: Solve for x
x = 16,876,738,332.91/163,545.35 - Step 6: Final answer
x = 103,193.02
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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.