Finding the Fourth Proportional to 216,906.30, 325,408.05 and 83,774.70
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Solution
The fourth proportional to 216,906.30, 325,408.05 and 83,774.70 is: 125,680.82
Step by Step Solution
- Step 1: Write the proportion equation
216,906.30 : 325,408.05 = 83,774.70 : x - Step 2: Convert to fraction form
216,906.30/325,408.05 = 83,774.70/x - Step 3: Cross multiply
216,906.30x = 325,408.05 × 83,774.70 - Step 4: Simplify right side
216,906.30x = 27,260,961,766.34 - Step 5: Solve for x
x = 27,260,961,766.34/216,906.30 - Step 6: Final answer
x = 125,680.82
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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.