Finding the Fourth Proportional to 204,083.20, 306,124.80 and 119,883.70
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Solution
The fourth proportional to 204,083.20, 306,124.80 and 119,883.70 is: 179,825.55
Step by Step Solution
- Step 1: Write the proportion equation
204,083.20 : 306,124.80 = 119,883.70 : x - Step 2: Convert to fraction form
204,083.20/306,124.80 = 119,883.70/x - Step 3: Cross multiply
204,083.20x = 306,124.80 × 119,883.70 - Step 4: Simplify right side
204,083.20x = 36,699,373,685.76 - Step 5: Solve for x
x = 36,699,373,685.76/204,083.20 - Step 6: Final answer
x = 179,825.55
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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.