Finding the Fourth Proportional to 330,122.30, 494,375.86 and 298,173.14
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Solution
The fourth proportional to 330,122.30, 494,375.86 and 298,173.14 is: 446,530.28
Step by Step Solution
- Step 1: Write the proportion equation
330,122.30 : 494,375.86 = 298,173.14 : x - Step 2: Convert to fraction form
330,122.30/494,375.86 = 298,173.14/x - Step 3: Cross multiply
330,122.30x = 494,375.86 × 298,173.14 - Step 4: Simplify right side
330,122.30x = 147,409,602,516.40 - Step 5: Solve for x
x = 147,409,602,516.40/330,122.30 - Step 6: Final answer
x = 446,530.28
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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.