Finding the Fourth Proportional to 191,447.69, 264,193.18 and 119,867.18
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Solution
The fourth proportional to 191,447.69, 264,193.18 and 119,867.18 is: 165,413.80
Step by Step Solution
- Step 1: Write the proportion equation
191,447.69 : 264,193.18 = 119,867.18 : x - Step 2: Convert to fraction form
191,447.69/264,193.18 = 119,867.18/x - Step 3: Cross multiply
191,447.69x = 264,193.18 × 119,867.18 - Step 4: Simplify right side
191,447.69x = 31,668,089,841.20 - Step 5: Solve for x
x = 31,668,089,841.20/191,447.69 - Step 6: Final answer
x = 165,413.80
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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.