Finding the Fourth Proportional to 205,919.52, 284,112.68 and 141,408.15
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Solution
The fourth proportional to 205,919.52, 284,112.68 and 141,408.15 is: 195,104.61
Step by Step Solution
- Step 1: Write the proportion equation
205,919.52 : 284,112.68 = 141,408.15 : x - Step 2: Convert to fraction form
205,919.52/284,112.68 = 141,408.15/x - Step 3: Cross multiply
205,919.52x = 284,112.68 × 141,408.15 - Step 4: Simplify right side
205,919.52x = 40,175,847,763.30 - Step 5: Solve for x
x = 40,175,847,763.30/205,919.52 - Step 6: Final answer
x = 195,104.61
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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.