Finding the Fourth Proportional to 555,812.36, 767,021.60 and 301,163.54
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Solution
The fourth proportional to 555,812.36, 767,021.60 and 301,163.54 is: 415,605.98
Step by Step Solution
- Step 1: Write the proportion equation
555,812.36 : 767,021.60 = 301,163.54 : x - Step 2: Convert to fraction form
555,812.36/767,021.60 = 301,163.54/x - Step 3: Cross multiply
555,812.36x = 767,021.60 × 301,163.54 - Step 4: Simplify right side
555,812.36x = 230,998,940,724.20 - Step 5: Solve for x
x = 230,998,940,724.20/555,812.36 - Step 6: Final answer
x = 415,605.98
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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.