Finding the Fourth Proportional to 215,627.40, 297,363.99 and 170,413.40
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Solution
The fourth proportional to 215,627.40, 297,363.99 and 170,413.40 is: 235,010.99
Step by Step Solution
- Step 1: Write the proportion equation
215,627.40 : 297,363.99 = 170,413.40 : x - Step 2: Convert to fraction form
215,627.40/297,363.99 = 170,413.40/x - Step 3: Cross multiply
215,627.40x = 297,363.99 × 170,413.40 - Step 4: Simplify right side
215,627.40x = 50,674,808,573.47 - Step 5: Solve for x
x = 50,674,808,573.47/215,627.40 - Step 6: Final answer
x = 235,010.99
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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.