Finding the Fourth Proportional to 667,343.81, 1,001,186.26 and 194,029.19
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Solution
The fourth proportional to 667,343.81, 1,001,186.26 and 194,029.19 is: 291,093.37
Step by Step Solution
- Step 1: Write the proportion equation
667,343.81 : 1,001,186.26 = 194,029.19 : x - Step 2: Convert to fraction form
667,343.81/1,001,186.26 = 194,029.19/x - Step 3: Cross multiply
667,343.81x = 1,001,186.26 × 194,029.19 - Step 4: Simplify right side
667,343.81x = 194,259,357,330.37 - Step 5: Solve for x
x = 194,259,357,330.37/667,343.81 - Step 6: Final answer
x = 291,093.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.