Finding the Fourth Proportional to 167,640.36, 231,154.74 and 122,238.24
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Solution
The fourth proportional to 167,640.36, 231,154.74 and 122,238.24 is: 168,550.99
Step by Step Solution
- Step 1: Write the proportion equation
167,640.36 : 231,154.74 = 122,238.24 : x - Step 2: Convert to fraction form
167,640.36/231,154.74 = 122,238.24/x - Step 3: Cross multiply
167,640.36x = 231,154.74 × 122,238.24 - Step 4: Simplify right side
167,640.36x = 28,255,948,585.26 - Step 5: Solve for x
x = 28,255,948,585.26/167,640.36 - Step 6: Final answer
x = 168,550.99
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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.