Finding the Fourth Proportional to 220,431.58, 304,195.89 and 119,829.58
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Solution
The fourth proportional to 220,431.58, 304,195.89 and 119,829.58 is: 165,364.99
Step by Step Solution
- Step 1: Write the proportion equation
220,431.58 : 304,195.89 = 119,829.58 : x - Step 2: Convert to fraction form
220,431.58/304,195.89 = 119,829.58/x - Step 3: Cross multiply
220,431.58x = 304,195.89 × 119,829.58 - Step 4: Simplify right side
220,431.58x = 36,451,665,736.43 - Step 5: Solve for x
x = 36,451,665,736.43/220,431.58 - Step 6: Final answer
x = 165,364.99
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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.