Finding the Fourth Proportional to 312,105.61, 430,583.20 and 181,260.99
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Solution
The fourth proportional to 312,105.61, 430,583.20 and 181,260.99 is: 250,069.00
Step by Step Solution
- Step 1: Write the proportion equation
312,105.61 : 430,583.20 = 181,260.99 : x - Step 2: Convert to fraction form
312,105.61/430,583.20 = 181,260.99/x - Step 3: Cross multiply
312,105.61x = 430,583.20 × 181,260.99 - Step 4: Simplify right side
312,105.61x = 78,047,936,656.22 - Step 5: Solve for x
x = 78,047,936,656.22/312,105.61 - Step 6: Final answer
x = 250,069.00
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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.