Finding the Fourth Proportional to 393,161.64, 589,742.97 and 119,610.19
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Solution
The fourth proportional to 393,161.64, 589,742.97 and 119,610.19 is: 179,415.44
Step by Step Solution
- Step 1: Write the proportion equation
393,161.64 : 589,742.97 = 119,610.19 : x - Step 2: Convert to fraction form
393,161.64/589,742.97 = 119,610.19/x - Step 3: Cross multiply
393,161.64x = 589,742.97 × 119,610.19 - Step 4: Simplify right side
393,161.64x = 70,539,268,692.86 - Step 5: Solve for x
x = 70,539,268,692.86/393,161.64 - Step 6: Final answer
x = 179,415.44
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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.