Finding the Fourth Proportional to 159,492.75, 239,512.13 and 106,525.09
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Solution
The fourth proportional to 159,492.75, 239,512.13 and 106,525.09 is: 159,969.98
Step by Step Solution
- Step 1: Write the proportion equation
159,492.75 : 239,512.13 = 106,525.09 : x - Step 2: Convert to fraction form
159,492.75/239,512.13 = 106,525.09/x - Step 3: Cross multiply
159,492.75x = 239,512.13 × 106,525.09 - Step 4: Simplify right side
159,492.75x = 25,514,051,370.58 - Step 5: Solve for x
x = 25,514,051,370.58/159,492.75 - Step 6: Final answer
x = 159,969.98
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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.