Finding the Fourth Proportional to 215,413.05, 297,261.99 and 119,917.71
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Solution
The fourth proportional to 215,413.05, 297,261.99 and 119,917.71 is: 165,481.98
Step by Step Solution
- Step 1: Write the proportion equation
215,413.05 : 297,261.99 = 119,917.71 : x - Step 2: Convert to fraction form
215,413.05/297,261.99 = 119,917.71/x - Step 3: Cross multiply
215,413.05x = 297,261.99 × 119,917.71 - Step 4: Simplify right side
215,413.05x = 35,646,977,110.84 - Step 5: Solve for x
x = 35,646,977,110.84/215,413.05 - Step 6: Final answer
x = 165,481.98
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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.