Finding the Fourth Proportional to 388,253.26, 582,083.42 and 121,859.65
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Solution
The fourth proportional to 388,253.26, 582,083.42 and 121,859.65 is: 182,696.42
Step by Step Solution
- Step 1: Write the proportion equation
388,253.26 : 582,083.42 = 121,859.65 : x - Step 2: Convert to fraction form
388,253.26/582,083.42 = 121,859.65/x - Step 3: Cross multiply
388,253.26x = 582,083.42 × 121,859.65 - Step 4: Simplify right side
388,253.26x = 70,932,480,681.44 - Step 5: Solve for x
x = 70,932,480,681.44/388,253.26 - Step 6: Final answer
x = 182,696.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.