Finding the Fourth Proportional to 286,368.85, 395,232.11 and 206,062.21
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Solution
The fourth proportional to 286,368.85, 395,232.11 and 206,062.21 is: 284,396.86
Step by Step Solution
- Step 1: Write the proportion equation
286,368.85 : 395,232.11 = 206,062.21 : x - Step 2: Convert to fraction form
286,368.85/395,232.11 = 206,062.21/x - Step 3: Cross multiply
286,368.85x = 395,232.11 × 206,062.21 - Step 4: Simplify right side
286,368.85x = 81,442,401,019.25 - Step 5: Solve for x
x = 81,442,401,019.25/286,368.85 - Step 6: Final answer
x = 284,396.86
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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.