Finding the Fourth Proportional to 172,413.60, 258,601.49 and 46,064.99
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Solution
The fourth proportional to 172,413.60, 258,601.49 and 46,064.99 is: 69,092.43
Step by Step Solution
- Step 1: Write the proportion equation
172,413.60 : 258,601.49 = 46,064.99 : x - Step 2: Convert to fraction form
172,413.60/258,601.49 = 46,064.99/x - Step 3: Cross multiply
172,413.60x = 258,601.49 × 46,064.99 - Step 4: Simplify right side
172,413.60x = 11,912,475,050.84 - Step 5: Solve for x
x = 11,912,475,050.84/172,413.60 - Step 6: Final answer
x = 69,092.43
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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.