Finding the Fourth Proportional to 332,716.91, 498,603.58 and 257,486.85
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Solution
The fourth proportional to 332,716.91, 498,603.58 and 257,486.85 is: 385,865.17
Step by Step Solution
- Step 1: Write the proportion equation
332,716.91 : 498,603.58 = 257,486.85 : x - Step 2: Convert to fraction form
332,716.91/498,603.58 = 257,486.85/x - Step 3: Cross multiply
332,716.91x = 498,603.58 × 257,486.85 - Step 4: Simplify right side
332,716.91x = 128,383,864,569.21 - Step 5: Solve for x
x = 128,383,864,569.21/332,716.91 - Step 6: Final answer
x = 385,865.17
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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.