Finding the Fourth Proportional to 134,701.40, 202,343.70 and 129,744.20
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Solution
The fourth proportional to 134,701.40, 202,343.70 and 129,744.20 is: 194,897.17
Step by Step Solution
- Step 1: Write the proportion equation
134,701.40 : 202,343.70 = 129,744.20 : x - Step 2: Convert to fraction form
134,701.40/202,343.70 = 129,744.20/x - Step 3: Cross multiply
134,701.40x = 202,343.70 × 129,744.20 - Step 4: Simplify right side
134,701.40x = 26,252,921,481.54 - Step 5: Solve for x
x = 26,252,921,481.54/134,701.40 - Step 6: Final answer
x = 194,897.17
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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.