Finding the Fourth Proportional to 618,101.67, 852,882.87 and 360,021.09
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Solution
The fourth proportional to 618,101.67, 852,882.87 and 360,021.09 is: 496,772.35
Step by Step Solution
- Step 1: Write the proportion equation
618,101.67 : 852,882.87 = 360,021.09 : x - Step 2: Convert to fraction form
618,101.67/852,882.87 = 360,021.09/x - Step 3: Cross multiply
618,101.67x = 852,882.87 × 360,021.09 - Step 4: Simplify right side
618,101.67x = 307,055,820,499.73 - Step 5: Solve for x
x = 307,055,820,499.73/618,101.67 - Step 6: Final answer
x = 496,772.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.