Finding the Fourth Proportional to 520,234.09, 780,413.67 and 183,205.09
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Solution
The fourth proportional to 520,234.09, 780,413.67 and 183,205.09 is: 274,829.66
Step by Step Solution
- Step 1: Write the proportion equation
520,234.09 : 780,413.67 = 183,205.09 : x - Step 2: Convert to fraction form
520,234.09/780,413.67 = 183,205.09/x - Step 3: Cross multiply
520,234.09x = 780,413.67 × 183,205.09 - Step 4: Simplify right side
520,234.09x = 142,975,757,625.10 - Step 5: Solve for x
x = 142,975,757,625.10/520,234.09 - Step 6: Final answer
x = 274,829.66
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1.5x scale
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.