Finding the Fourth Proportional to 121,438.08, 182,157.57 and 37,197.90
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Solution
The fourth proportional to 121,438.08, 182,157.57 and 37,197.90 is: 55,796.99
Step by Step Solution
- Step 1: Write the proportion equation
121,438.08 : 182,157.57 = 37,197.90 : x - Step 2: Convert to fraction form
121,438.08/182,157.57 = 37,197.90/x - Step 3: Cross multiply
121,438.08x = 182,157.57 × 37,197.90 - Step 4: Simplify right side
121,438.08x = 6,775,879,073.10 - Step 5: Solve for x
x = 6,775,879,073.10/121,438.08 - Step 6: Final answer
x = 55,796.99
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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.