Finding the Fourth Proportional to 144,434.18, 199,313.17 and 84,004.94
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Solution
The fourth proportional to 144,434.18, 199,313.17 and 84,004.94 is: 115,923.32
Step by Step Solution
- Step 1: Write the proportion equation
144,434.18 : 199,313.17 = 84,004.94 : x - Step 2: Convert to fraction form
144,434.18/199,313.17 = 84,004.94/x - Step 3: Cross multiply
144,434.18x = 199,313.17 × 84,004.94 - Step 4: Simplify right side
144,434.18x = 16,743,289,680.48 - Step 5: Solve for x
x = 16,743,289,680.48/144,434.18 - Step 6: Final answer
x = 115,923.32
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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.