Finding the Fourth Proportional to 321,914.99, 482,949.41 and 97,277.67
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Solution
The fourth proportional to 321,914.99, 482,949.41 and 97,277.67 is: 145,939.75
Step by Step Solution
- Step 1: Write the proportion equation
321,914.99 : 482,949.41 = 97,277.67 : x - Step 2: Convert to fraction form
321,914.99/482,949.41 = 97,277.67/x - Step 3: Cross multiply
321,914.99x = 482,949.41 × 97,277.67 - Step 4: Simplify right side
321,914.99x = 46,980,192,846.29 - Step 5: Solve for x
x = 46,980,192,846.29/321,914.99 - Step 6: Final answer
x = 145,939.75
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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.