Finding the Fourth Proportional to 321,617.99, 443,823.49 and 185,674.07
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Solution
The fourth proportional to 321,617.99, 443,823.49 and 185,674.07 is: 256,224.83
Step by Step Solution
- Step 1: Write the proportion equation
321,617.99 : 443,823.49 = 185,674.07 : x - Step 2: Convert to fraction form
321,617.99/443,823.49 = 185,674.07/x - Step 3: Cross multiply
321,617.99x = 443,823.49 × 185,674.07 - Step 4: Simplify right side
321,617.99x = 82,406,513,749.90 - Step 5: Solve for x
x = 82,406,513,749.90/321,617.99 - Step 6: Final answer
x = 256,224.83
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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.