Finding the Fourth Proportional to 411,832.97, 618,147.93 and 198,750.88
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Solution
The fourth proportional to 411,832.97, 618,147.93 and 198,750.88 is: 298,318.62
Step by Step Solution
- Step 1: Write the proportion equation
411,832.97 : 618,147.93 = 198,750.88 : x - Step 2: Convert to fraction form
411,832.97/618,147.93 = 198,750.88/x - Step 3: Cross multiply
411,832.97x = 618,147.93 × 198,750.88 - Step 4: Simplify right side
411,832.97x = 122,857,445,057.68 - Step 5: Solve for x
x = 122,857,445,057.68/411,832.97 - Step 6: Final answer
x = 298,318.62
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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.