Finding the Fourth Proportional to 130,782.44, 196,175.49 and 37,288.19
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Solution
The fourth proportional to 130,782.44, 196,175.49 and 37,288.19 is: 55,932.81
Step by Step Solution
- Step 1: Write the proportion equation
130,782.44 : 196,175.49 = 37,288.19 : x - Step 2: Convert to fraction form
130,782.44/196,175.49 = 37,288.19/x - Step 3: Cross multiply
130,782.44x = 196,175.49 × 37,288.19 - Step 4: Simplify right side
130,782.44x = 7,315,029,295.07 - Step 5: Solve for x
x = 7,315,029,295.07/130,782.44 - Step 6: Final answer
x = 55,932.81
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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.