Finding the Fourth Proportional to 172,703.40, 258,536.70 and 102,546.60
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Solution
The fourth proportional to 172,703.40, 258,536.70 and 102,546.60 is: 153,512.09
Step by Step Solution
- Step 1: Write the proportion equation
172,703.40 : 258,536.70 = 102,546.60 : x - Step 2: Convert to fraction form
172,703.40/258,536.70 = 102,546.60/x - Step 3: Cross multiply
172,703.40x = 258,536.70 × 102,546.60 - Step 4: Simplify right side
172,703.40x = 26,512,059,560.22 - Step 5: Solve for x
x = 26,512,059,560.22/172,703.40 - Step 6: Final answer
x = 153,512.09
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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.