Finding the Fourth Proportional to 161,191.91, 222,379.88 and 97,418.99
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Solution
The fourth proportional to 161,191.91, 222,379.88 and 97,418.99 is: 134,398.94
Step by Step Solution
- Step 1: Write the proportion equation
161,191.91 : 222,379.88 = 97,418.99 : x - Step 2: Convert to fraction form
161,191.91/222,379.88 = 97,418.99/x - Step 3: Cross multiply
161,191.91x = 222,379.88 × 97,418.99 - Step 4: Simplify right side
161,191.91x = 21,664,021,706.93 - Step 5: Solve for x
x = 21,664,021,706.93/161,191.91 - Step 6: Final answer
x = 134,398.94
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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.