Finding the Fourth Proportional to 212,071.80, 292,651.68 and 116,577.81
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Solution
The fourth proportional to 212,071.80, 292,651.68 and 116,577.81 is: 160,873.31
Step by Step Solution
- Step 1: Write the proportion equation
212,071.80 : 292,651.68 = 116,577.81 : x - Step 2: Convert to fraction form
212,071.80/292,651.68 = 116,577.81/x - Step 3: Cross multiply
212,071.80x = 292,651.68 × 116,577.81 - Step 4: Simplify right side
212,071.80x = 34,116,691,947.22 - Step 5: Solve for x
x = 34,116,691,947.22/212,071.80 - Step 6: Final answer
x = 160,873.31
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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.