Finding the Fourth Proportional to 282,058.89, 422,690.52 and 155,755.99
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Solution
The fourth proportional to 282,058.89, 422,690.52 and 155,755.99 is: 233,414.31
Step by Step Solution
- Step 1: Write the proportion equation
282,058.89 : 422,690.52 = 155,755.99 : x - Step 2: Convert to fraction form
282,058.89/422,690.52 = 155,755.99/x - Step 3: Cross multiply
282,058.89x = 422,690.52 × 155,755.99 - Step 4: Simplify right side
282,058.89x = 65,836,580,406.21 - Step 5: Solve for x
x = 65,836,580,406.21/282,058.89 - Step 6: Final answer
x = 233,414.31
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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.