Finding the Fourth Proportional to 129,675.99, 194,467.17 and 54,801.91
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Solution
The fourth proportional to 129,675.99, 194,467.17 and 54,801.91 is: 82,183.08
Step by Step Solution
- Step 1: Write the proportion equation
129,675.99 : 194,467.17 = 54,801.91 : x - Step 2: Convert to fraction form
129,675.99/194,467.17 = 54,801.91/x - Step 3: Cross multiply
129,675.99x = 194,467.17 × 54,801.91 - Step 4: Simplify right side
129,675.99x = 10,657,172,348.29 - Step 5: Solve for x
x = 10,657,172,348.29/129,675.99 - Step 6: Final answer
x = 82,183.08
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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.