Finding the Fourth Proportional to 306,379.87, 459,582.15 and 106,720.44
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Solution
The fourth proportional to 306,379.87, 459,582.15 and 106,720.44 is: 160,084.96
Step by Step Solution
- Step 1: Write the proportion equation
306,379.87 : 459,582.15 = 106,720.44 : x - Step 2: Convert to fraction form
306,379.87/459,582.15 = 106,720.44/x - Step 3: Cross multiply
306,379.87x = 459,582.15 × 106,720.44 - Step 4: Simplify right side
306,379.87x = 49,046,807,940.91 - Step 5: Solve for x
x = 49,046,807,940.91/306,379.87 - Step 6: Final answer
x = 160,084.96
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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.