Finding the Fourth Proportional to 331,983.12, 458,172.18 and 202,997.19
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Solution
The fourth proportional to 331,983.12, 458,172.18 and 202,997.19 is: 280,157.81
Step by Step Solution
- Step 1: Write the proportion equation
331,983.12 : 458,172.18 = 202,997.19 : x - Step 2: Convert to fraction form
331,983.12/458,172.18 = 202,997.19/x - Step 3: Cross multiply
331,983.12x = 458,172.18 × 202,997.19 - Step 4: Simplify right side
331,983.12x = 93,007,665,076.17 - Step 5: Solve for x
x = 93,007,665,076.17/331,983.12 - Step 6: Final answer
x = 280,157.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.