Finding the Fourth Proportional to 352,941.71, 487,033.97 and 199,982.93
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Solution
The fourth proportional to 352,941.71, 487,033.97 and 199,982.93 is: 275,961.94
Step by Step Solution
- Step 1: Write the proportion equation
352,941.71 : 487,033.97 = 199,982.93 : x - Step 2: Convert to fraction form
352,941.71/487,033.97 = 199,982.93/x - Step 3: Cross multiply
352,941.71x = 487,033.97 × 199,982.93 - Step 4: Simplify right side
352,941.71x = 97,398,476,895.05 - Step 5: Solve for x
x = 97,398,476,895.05/352,941.71 - Step 6: Final answer
x = 275,961.94
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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.