Finding the Fourth Proportional to 360,067.36, 496,902.99 and 198,932.80
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Solution
The fourth proportional to 360,067.36, 496,902.99 and 198,932.80 is: 274,532.81
Step by Step Solution
- Step 1: Write the proportion equation
360,067.36 : 496,902.99 = 198,932.80 : x - Step 2: Convert to fraction form
360,067.36/496,902.99 = 198,932.80/x - Step 3: Cross multiply
360,067.36x = 496,902.99 × 198,932.80 - Step 4: Simplify right side
360,067.36x = 98,850,303,129.07 - Step 5: Solve for x
x = 98,850,303,129.07/360,067.36 - Step 6: Final answer
x = 274,532.81
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1.5x scale
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.