Finding the Fourth Proportional to 234,107.43, 323,069.39 and 132,137.20
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Solution
The fourth proportional to 234,107.43, 323,069.39 and 132,137.20 is: 182,349.98
Step by Step Solution
- Step 1: Write the proportion equation
234,107.43 : 323,069.39 = 132,137.20 : x - Step 2: Convert to fraction form
234,107.43/323,069.39 = 132,137.20/x - Step 3: Cross multiply
234,107.43x = 323,069.39 × 132,137.20 - Step 4: Simplify right side
234,107.43x = 42,689,484,600.31 - Step 5: Solve for x
x = 42,689,484,600.31/234,107.43 - Step 6: Final answer
x = 182,349.98
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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.