Finding the Fourth Proportional to 332,361.98, 458,692.71 and 198,225.98
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Solution
The fourth proportional to 332,361.98, 458,692.71 and 198,225.98 is: 273,571.64
Step by Step Solution
- Step 1: Write the proportion equation
332,361.98 : 458,692.71 = 198,225.98 : x - Step 2: Convert to fraction form
332,361.98/458,692.71 = 198,225.98/x - Step 3: Cross multiply
332,361.98x = 458,692.71 × 198,225.98 - Step 4: Simplify right side
332,361.98x = 90,924,811,958.61 - Step 5: Solve for x
x = 90,924,811,958.61/332,361.98 - Step 6: Final answer
x = 273,571.64
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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.