Finding the Fourth Proportional to 120,502.19, 180,716.79 and 36,239.97
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Solution
The fourth proportional to 120,502.19, 180,716.79 and 36,239.97 is: 54,348.98
Step by Step Solution
- Step 1: Write the proportion equation
120,502.19 : 180,716.79 = 36,239.97 : x - Step 2: Convert to fraction form
120,502.19/180,716.79 = 36,239.97/x - Step 3: Cross multiply
120,502.19x = 180,716.79 × 36,239.97 - Step 4: Simplify right side
120,502.19x = 6,549,171,048.10 - Step 5: Solve for x
x = 6,549,171,048.10/120,502.19 - Step 6: Final answer
x = 54,348.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.