Finding the Fourth Proportional to 220,413.62, 304,169.37 and 119,811.62
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Solution
The fourth proportional to 220,413.62, 304,169.37 and 119,811.62 is: 165,339.26
Step by Step Solution
- Step 1: Write the proportion equation
220,413.62 : 304,169.37 = 119,811.62 : x - Step 2: Convert to fraction form
220,413.62/304,169.37 = 119,811.62/x - Step 3: Cross multiply
220,413.62x = 304,169.37 × 119,811.62 - Step 4: Simplify right side
220,413.62x = 36,443,024,974.08 - Step 5: Solve for x
x = 36,443,024,974.08/220,413.62 - Step 6: Final answer
x = 165,339.26
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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.