Finding the Fourth Proportional to 220,369.12, 304,107.96 and 119,767.12
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Solution
The fourth proportional to 220,369.12, 304,107.96 and 119,767.12 is: 165,277.85
Step by Step Solution
- Step 1: Write the proportion equation
220,369.12 : 304,107.96 = 119,767.12 : x - Step 2: Convert to fraction form
220,369.12/304,107.96 = 119,767.12/x - Step 3: Cross multiply
220,369.12x = 304,107.96 × 119,767.12 - Step 4: Simplify right side
220,369.12x = 36,422,134,538.28 - Step 5: Solve for x
x = 36,422,134,538.28/220,369.12 - Step 6: Final answer
x = 165,277.85
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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.