Finding the Fourth Proportional to 360,286.37, 497,221.01 and 199,137.99
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Solution
The fourth proportional to 360,286.37, 497,221.01 and 199,137.99 is: 274,824.70
Step by Step Solution
- Step 1: Write the proportion equation
360,286.37 : 497,221.01 = 199,137.99 : x - Step 2: Convert to fraction form
360,286.37/497,221.01 = 199,137.99/x - Step 3: Cross multiply
360,286.37x = 497,221.01 × 199,137.99 - Step 4: Simplify right side
360,286.37x = 99,015,591,521.48 - Step 5: Solve for x
x = 99,015,591,521.48/360,286.37 - Step 6: Final answer
x = 274,824.70
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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.