Finding the Fourth Proportional to 203,690.10, 305,534.88 and 114,903.30
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Solution
The fourth proportional to 203,690.10, 305,534.88 and 114,903.30 is: 172,354.80
Step by Step Solution
- Step 1: Write the proportion equation
203,690.10 : 305,534.88 = 114,903.30 : x - Step 2: Convert to fraction form
203,690.10/305,534.88 = 114,903.30/x - Step 3: Cross multiply
203,690.10x = 305,534.88 × 114,903.30 - Step 4: Simplify right side
203,690.10x = 35,106,965,977.10 - Step 5: Solve for x
x = 35,106,965,977.10/203,690.10 - Step 6: Final answer
x = 172,354.80
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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.