Finding the Fourth Proportional to 306,543.21, 459,395.64 and 231,602.01
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Solution
The fourth proportional to 306,543.21, 459,395.64 and 231,602.01 is: 347,086.32
Step by Step Solution
- Step 1: Write the proportion equation
306,543.21 : 459,395.64 = 231,602.01 : x - Step 2: Convert to fraction form
306,543.21/459,395.64 = 231,602.01/x - Step 3: Cross multiply
306,543.21x = 459,395.64 × 231,602.01 - Step 4: Simplify right side
306,543.21x = 106,396,953,609.24 - Step 5: Solve for x
x = 106,396,953,609.24/306,543.21 - Step 6: Final answer
x = 347,086.32
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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.