Finding the Fourth Proportional to 306,649.08, 459,975.78 and 106,968.60
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Solution
The fourth proportional to 306,649.08, 459,975.78 and 106,968.60 is: 160,453.65
Step by Step Solution
- Step 1: Write the proportion equation
306,649.08 : 459,975.78 = 106,968.60 : x - Step 2: Convert to fraction form
306,649.08/459,975.78 = 106,968.60/x - Step 3: Cross multiply
306,649.08x = 459,975.78 × 106,968.60 - Step 4: Simplify right side
306,649.08x = 49,202,965,220.51 - Step 5: Solve for x
x = 49,202,965,220.51/306,649.08 - Step 6: Final answer
x = 160,453.65
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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.