Finding the Fourth Proportional to 161,290.19, 222,586.05 and 88,696.05
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Solution
The fourth proportional to 161,290.19, 222,586.05 and 88,696.05 is: 122,403.63
Step by Step Solution
- Step 1: Write the proportion equation
161,290.19 : 222,586.05 = 88,696.05 : x - Step 2: Convert to fraction form
161,290.19/222,586.05 = 88,696.05/x - Step 3: Cross multiply
161,290.19x = 222,586.05 × 88,696.05 - Step 4: Simplify right side
161,290.19x = 19,742,503,420.10 - Step 5: Solve for x
x = 19,742,503,420.10/161,290.19 - Step 6: Final answer
x = 122,403.63
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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.