Finding the Fourth Proportional to 120,887.97, 181,368.18 and 48,803.77
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Solution
The fourth proportional to 120,887.97, 181,368.18 and 48,803.77 is: 73,220.28
Step by Step Solution
- Step 1: Write the proportion equation
120,887.97 : 181,368.18 = 48,803.77 : x - Step 2: Convert to fraction form
120,887.97/181,368.18 = 48,803.77/x - Step 3: Cross multiply
120,887.97x = 181,368.18 × 48,803.77 - Step 4: Simplify right side
120,887.97x = 8,851,450,942.04 - Step 5: Solve for x
x = 8,851,450,942.04/120,887.97 - Step 6: Final answer
x = 73,220.28
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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.