Finding the Fourth Proportional to 352,583.26, 486,515.91 and 207,395.62
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Solution
The fourth proportional to 352,583.26, 486,515.91 and 207,395.62 is: 286,177.14
Step by Step Solution
- Step 1: Write the proportion equation
352,583.26 : 486,515.91 = 207,395.62 : x - Step 2: Convert to fraction form
352,583.26/486,515.91 = 207,395.62/x - Step 3: Cross multiply
352,583.26x = 486,515.91 × 207,395.62 - Step 4: Simplify right side
352,583.26x = 100,901,268,794.31 - Step 5: Solve for x
x = 100,901,268,794.31/352,583.26 - Step 6: Final answer
x = 286,177.14
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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.