Finding the Fourth Proportional to 212,644.06, 293,445.37 and 115,849.07
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Solution
The fourth proportional to 212,644.06, 293,445.37 and 115,849.07 is: 159,869.85
Step by Step Solution
- Step 1: Write the proportion equation
212,644.06 : 293,445.37 = 115,849.07 : x - Step 2: Convert to fraction form
212,644.06/293,445.37 = 115,849.07/x - Step 3: Cross multiply
212,644.06x = 293,445.37 × 115,849.07 - Step 4: Simplify right side
212,644.06x = 33,995,374,021.10 - Step 5: Solve for x
x = 33,995,374,021.10/212,644.06 - Step 6: Final answer
x = 159,869.85
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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.