Finding the Fourth Proportional to 204,408.12, 306,599.90 and 76,299.74
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Solution
The fourth proportional to 204,408.12, 306,599.90 and 76,299.74 is: 114,445.02
Step by Step Solution
- Step 1: Write the proportion equation
204,408.12 : 306,599.90 = 76,299.74 : x - Step 2: Convert to fraction form
204,408.12/306,599.90 = 76,299.74/x - Step 3: Cross multiply
204,408.12x = 306,599.90 × 76,299.74 - Step 4: Simplify right side
204,408.12x = 23,393,490,739.53 - Step 5: Solve for x
x = 23,393,490,739.53/204,408.12 - Step 6: Final answer
x = 114,445.02
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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.