Finding the Fourth Proportional to 338,721.21, 467,382.15 and 195,454.08
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Solution
The fourth proportional to 338,721.21, 467,382.15 and 195,454.08 is: 269,695.98
Step by Step Solution
- Step 1: Write the proportion equation
338,721.21 : 467,382.15 = 195,454.08 : x - Step 2: Convert to fraction form
338,721.21/467,382.15 = 195,454.08/x - Step 3: Cross multiply
338,721.21x = 467,382.15 × 195,454.08 - Step 4: Simplify right side
338,721.21x = 91,351,748,136.67 - Step 5: Solve for x
x = 91,351,748,136.67/338,721.21 - Step 6: Final answer
x = 269,695.98
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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.