Finding the Fourth Proportional to 312,241.68, 430,903.96 and 191,359.62
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Solution
The fourth proportional to 312,241.68, 430,903.96 and 191,359.62 is: 264,082.67
Step by Step Solution
- Step 1: Write the proportion equation
312,241.68 : 430,903.96 = 191,359.62 : x - Step 2: Convert to fraction form
312,241.68/430,903.96 = 191,359.62/x - Step 3: Cross multiply
312,241.68x = 430,903.96 × 191,359.62 - Step 4: Simplify right side
312,241.68x = 82,457,618,042.10 - Step 5: Solve for x
x = 82,457,618,042.10/312,241.68 - Step 6: Final answer
x = 264,082.67
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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.