Finding the Fourth Proportional to 319,844.53, 479,738.94 and 130,324.87
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Solution
The fourth proportional to 319,844.53, 479,738.94 and 130,324.87 is: 195,475.96
Step by Step Solution
- Step 1: Write the proportion equation
319,844.53 : 479,738.94 = 130,324.87 : x - Step 2: Convert to fraction form
319,844.53/479,738.94 = 130,324.87/x - Step 3: Cross multiply
319,844.53x = 479,738.94 × 130,324.87 - Step 4: Simplify right side
319,844.53x = 62,521,914,989.44 - Step 5: Solve for x
x = 62,521,914,989.44/319,844.53 - Step 6: Final answer
x = 195,475.96
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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.