Finding the Fourth Proportional to 121,782.92, 182,642.52 and 36,373.68
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Solution
The fourth proportional to 121,782.92, 182,642.52 and 36,373.68 is: 54,551.00
Step by Step Solution
- Step 1: Write the proportion equation
121,782.92 : 182,642.52 = 36,373.68 : x - Step 2: Convert to fraction form
121,782.92/182,642.52 = 36,373.68/x - Step 3: Cross multiply
121,782.92x = 182,642.52 × 36,373.68 - Step 4: Simplify right side
121,782.92x = 6,643,380,576.87 - Step 5: Solve for x
x = 6,643,380,576.87/121,782.92 - Step 6: Final answer
x = 54,551.00
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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.