Finding the Fourth Proportional to 287,751.96, 397,102.68 and 160,413.48
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Solution
The fourth proportional to 287,751.96, 397,102.68 and 160,413.48 is: 221,373.38
Step by Step Solution
- Step 1: Write the proportion equation
287,751.96 : 397,102.68 = 160,413.48 : x - Step 2: Convert to fraction form
287,751.96/397,102.68 = 160,413.48/x - Step 3: Cross multiply
287,751.96x = 397,102.68 × 160,413.48 - Step 4: Simplify right side
287,751.96x = 63,700,622,816.13 - Step 5: Solve for x
x = 63,700,622,816.13/287,751.96 - Step 6: Final answer
x = 221,373.38
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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.