Finding the Fourth Proportional to 220,139.10, 303,791.58 and 119,537.10
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Solution
The fourth proportional to 220,139.10, 303,791.58 and 119,537.10 is: 164,960.99
Step by Step Solution
- Step 1: Write the proportion equation
220,139.10 : 303,791.58 = 119,537.10 : x - Step 2: Convert to fraction form
220,139.10/303,791.58 = 119,537.10/x - Step 3: Cross multiply
220,139.10x = 303,791.58 × 119,537.10 - Step 4: Simplify right side
220,139.10x = 36,314,364,477.62 - Step 5: Solve for x
x = 36,314,364,477.62/220,139.10 - Step 6: Final answer
x = 164,960.99
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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.