Finding the Fourth Proportional to 219,992.09, 303,589.08 and 119,390.09
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Solution
The fourth proportional to 219,992.09, 303,589.08 and 119,390.09 is: 164,758.32
Step by Step Solution
- Step 1: Write the proportion equation
219,992.09 : 303,589.08 = 119,390.09 : x - Step 2: Convert to fraction form
219,992.09/303,589.08 = 119,390.09/x - Step 3: Cross multiply
219,992.09x = 303,589.08 × 119,390.09 - Step 4: Simplify right side
219,992.09x = 36,245,526,066.27 - Step 5: Solve for x
x = 36,245,526,066.27/219,992.09 - Step 6: Final answer
x = 164,758.32
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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.