Finding the Fourth Proportional to 212,143.49, 292,768.53 and 131,596.96
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Solution
The fourth proportional to 212,143.49, 292,768.53 and 131,596.96 is: 181,610.33
Step by Step Solution
- Step 1: Write the proportion equation
212,143.49 : 292,768.53 = 131,596.96 : x - Step 2: Convert to fraction form
212,143.49/292,768.53 = 131,596.96/x - Step 3: Cross multiply
212,143.49x = 292,768.53 × 131,596.96 - Step 4: Simplify right side
212,143.49x = 38,527,447,799.75 - Step 5: Solve for x
x = 38,527,447,799.75/212,143.49 - Step 6: Final answer
x = 181,610.33
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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.