Finding the Fourth Proportional to 181,321.44, 271,981.70 and 48,201.63
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Solution
The fourth proportional to 181,321.44, 271,981.70 and 48,201.63 is: 72,302.33
Step by Step Solution
- Step 1: Write the proportion equation
181,321.44 : 271,981.70 = 48,201.63 : x - Step 2: Convert to fraction form
181,321.44/271,981.70 = 48,201.63/x - Step 3: Cross multiply
181,321.44x = 271,981.70 × 48,201.63 - Step 4: Simplify right side
181,321.44x = 13,109,961,719.88 - Step 5: Solve for x
x = 13,109,961,719.88/181,321.44 - Step 6: Final answer
x = 72,302.33
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1.5x scale
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.