Finding the Fourth Proportional to 412,108.70, 618,561.99 and 199,026.23
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Solution
The fourth proportional to 412,108.70, 618,561.99 and 199,026.23 is: 298,732.01
Step by Step Solution
- Step 1: Write the proportion equation
412,108.70 : 618,561.99 = 199,026.23 : x - Step 2: Convert to fraction form
412,108.70/618,561.99 = 199,026.23/x - Step 3: Cross multiply
412,108.70x = 618,561.99 × 199,026.23 - Step 4: Simplify right side
412,108.70x = 123,110,057,798.19 - Step 5: Solve for x
x = 123,110,057,798.19/412,108.70 - Step 6: Final answer
x = 298,732.01
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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.