Finding the Fourth Proportional to 312,243.36, 468,413.82 and 101,832.36
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Solution
The fourth proportional to 312,243.36, 468,413.82 and 101,832.36 is: 152,764.45
Step by Step Solution
- Step 1: Write the proportion equation
312,243.36 : 468,413.82 = 101,832.36 : x - Step 2: Convert to fraction form
312,243.36/468,413.82 = 101,832.36/x - Step 3: Cross multiply
312,243.36x = 468,413.82 × 101,832.36 - Step 4: Simplify right side
312,243.36x = 47,699,684,747.22 - Step 5: Solve for x
x = 47,699,684,747.22/312,243.36 - Step 6: Final answer
x = 152,764.45
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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.