Finding the Fourth Proportional to 167,664.36, 251,492.92 and 78,868.68
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Solution
The fourth proportional to 167,664.36, 251,492.92 and 78,868.68 is: 118,301.32
Step by Step Solution
- Step 1: Write the proportion equation
167,664.36 : 251,492.92 = 78,868.68 : x - Step 2: Convert to fraction form
167,664.36/251,492.92 = 78,868.68/x - Step 3: Cross multiply
167,664.36x = 251,492.92 × 78,868.68 - Step 4: Simplify right side
167,664.36x = 19,834,914,629.75 - Step 5: Solve for x
x = 19,834,914,629.75/167,664.36 - Step 6: Final answer
x = 118,301.32
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1.5x scale
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.