Finding the Fourth Proportional to 219,609.24, 303,048.17 and 121,486.62
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Solution
The fourth proportional to 219,609.24, 303,048.17 and 121,486.62 is: 167,644.57
Step by Step Solution
- Step 1: Write the proportion equation
219,609.24 : 303,048.17 = 121,486.62 : x - Step 2: Convert to fraction form
219,609.24/303,048.17 = 121,486.62/x - Step 3: Cross multiply
219,609.24x = 303,048.17 × 121,486.62 - Step 4: Simplify right side
219,609.24x = 36,816,295,747.81 - Step 5: Solve for x
x = 36,816,295,747.81/219,609.24 - Step 6: Final answer
x = 167,644.57
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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.