Finding the Fourth Proportional to 378,905.92, 568,465.49 and 165,692.55
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Solution
The fourth proportional to 378,905.92, 568,465.49 and 165,692.55 is: 248,585.45
Step by Step Solution
- Step 1: Write the proportion equation
378,905.92 : 568,465.49 = 165,692.55 : x - Step 2: Convert to fraction form
378,905.92/568,465.49 = 165,692.55/x - Step 3: Cross multiply
378,905.92x = 568,465.49 × 165,692.55 - Step 4: Simplify right side
378,905.92x = 94,190,499,171.08 - Step 5: Solve for x
x = 94,190,499,171.08/378,905.92 - Step 6: Final answer
x = 248,585.45
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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.