Finding the Fourth Proportional to 190,163.10, 285,388.08 and 130,047.91
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Solution
The fourth proportional to 190,163.10, 285,388.08 and 130,047.91 is: 195,169.95
Step by Step Solution
- Step 1: Write the proportion equation
190,163.10 : 285,388.08 = 130,047.91 : x - Step 2: Convert to fraction form
190,163.10/285,388.08 = 130,047.91/x - Step 3: Cross multiply
190,163.10x = 285,388.08 × 130,047.91 - Step 4: Simplify right side
190,163.10x = 37,114,123,342.91 - Step 5: Solve for x
x = 37,114,123,342.91/190,163.10 - Step 6: Final answer
x = 195,169.95
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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.