Finding the Fourth Proportional to 304,447.99, 419,860.72 and 261,413.98
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Solution
The fourth proportional to 304,447.99, 419,860.72 and 261,413.98 is: 360,513.01
Step by Step Solution
- Step 1: Write the proportion equation
304,447.99 : 419,860.72 = 261,413.98 : x - Step 2: Convert to fraction form
304,447.99/419,860.72 = 261,413.98/x - Step 3: Cross multiply
304,447.99x = 419,860.72 × 261,413.98 - Step 4: Simplify right side
304,447.99x = 109,757,462,029.24 - Step 5: Solve for x
x = 109,757,462,029.24/304,447.99 - Step 6: Final answer
x = 360,513.01
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1.5x scale
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.