Finding the Fourth Proportional to 212,181.07, 292,813.44 and 121,544.96
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Solution
The fourth proportional to 212,181.07, 292,813.44 and 121,544.96 is: 167,734.08
Step by Step Solution
- Step 1: Write the proportion equation
212,181.07 : 292,813.44 = 121,544.96 : x - Step 2: Convert to fraction form
212,181.07/292,813.44 = 121,544.96/x - Step 3: Cross multiply
212,181.07x = 292,813.44 × 121,544.96 - Step 4: Simplify right side
212,181.07x = 35,589,996,787.01 - Step 5: Solve for x
x = 35,589,996,787.01/212,181.07 - Step 6: Final answer
x = 167,734.08
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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.