Finding the Fourth Proportional to 276,324.48, 414,493.74 and 206,646.12
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Solution
The fourth proportional to 276,324.48, 414,493.74 and 206,646.12 is: 309,974.43
Step by Step Solution
- Step 1: Write the proportion equation
276,324.48 : 414,493.74 = 206,646.12 : x - Step 2: Convert to fraction form
276,324.48/414,493.74 = 206,646.12/x - Step 3: Cross multiply
276,324.48x = 414,493.74 × 206,646.12 - Step 4: Simplify right side
276,324.48x = 85,653,523,135.29 - Step 5: Solve for x
x = 85,653,523,135.29/276,324.48 - Step 6: Final answer
x = 309,974.43
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1.5x scale
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.