Finding the Fourth Proportional to 129,704.48, 194,498.40 and 125,622.08
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Solution
The fourth proportional to 129,704.48, 194,498.40 and 125,622.08 is: 188,376.64
Step by Step Solution
- Step 1: Write the proportion equation
129,704.48 : 194,498.40 = 125,622.08 : x - Step 2: Convert to fraction form
129,704.48/194,498.40 = 125,622.08/x - Step 3: Cross multiply
129,704.48x = 194,498.40 × 125,622.08 - Step 4: Simplify right side
129,704.48x = 24,433,293,564.67 - Step 5: Solve for x
x = 24,433,293,564.67/129,704.48 - Step 6: Final answer
x = 188,376.64
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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.