Finding the Fourth Proportional to 321,982.20, 482,977.62 and 97,344.36
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Solution
The fourth proportional to 321,982.20, 482,977.62 and 97,344.36 is: 146,017.85
Step by Step Solution
- Step 1: Write the proportion equation
321,982.20 : 482,977.62 = 97,344.36 : x - Step 2: Convert to fraction form
321,982.20/482,977.62 = 97,344.36/x - Step 3: Cross multiply
321,982.20x = 482,977.62 × 97,344.36 - Step 4: Simplify right side
321,982.20x = 47,015,147,313.22 - Step 5: Solve for x
x = 47,015,147,313.22/321,982.20 - Step 6: Final answer
x = 146,017.85
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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.