Finding the Fourth Proportional to 199,983.83, 299,238.63 and 120,070.37
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Solution
The fourth proportional to 199,983.83, 299,238.63 and 120,070.37 is: 179,662.99
Step by Step Solution
- Step 1: Write the proportion equation
199,983.83 : 299,238.63 = 120,070.37 : x - Step 2: Convert to fraction form
199,983.83/299,238.63 = 120,070.37/x - Step 3: Cross multiply
199,983.83x = 299,238.63 × 120,070.37 - Step 4: Simplify right side
199,983.83x = 35,929,691,526.20 - Step 5: Solve for x
x = 35,929,691,526.20/199,983.83 - Step 6: Final answer
x = 179,662.99
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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.