Finding the Fourth Proportional to 214,560.22, 296,049.99 and 129,682.06
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Solution
The fourth proportional to 214,560.22, 296,049.99 and 129,682.06 is: 178,935.18
Step by Step Solution
- Step 1: Write the proportion equation
214,560.22 : 296,049.99 = 129,682.06 : x - Step 2: Convert to fraction form
214,560.22/296,049.99 = 129,682.06/x - Step 3: Cross multiply
214,560.22x = 296,049.99 × 129,682.06 - Step 4: Simplify right side
214,560.22x = 38,392,372,566.18 - Step 5: Solve for x
x = 38,392,372,566.18/214,560.22 - Step 6: Final answer
x = 178,935.18
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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.