Finding the Fourth Proportional to 321,640.04, 482,275.47 and 121,832.99
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Solution
The fourth proportional to 321,640.04, 482,275.47 and 121,832.99 is: 182,679.56
Step by Step Solution
- Step 1: Write the proportion equation
321,640.04 : 482,275.47 = 121,832.99 : x - Step 2: Convert to fraction form
321,640.04/482,275.47 = 121,832.99/x - Step 3: Cross multiply
321,640.04x = 482,275.47 × 121,832.99 - Step 4: Simplify right side
321,640.04x = 58,757,060,102.38 - Step 5: Solve for x
x = 58,757,060,102.38/321,640.04 - Step 6: Final answer
x = 182,679.56
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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.