Finding the Fourth Proportional to 378,471.14, 567,064.05 and 228,396.08
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Solution
The fourth proportional to 378,471.14, 567,064.05 and 228,396.08 is: 342,206.29
Step by Step Solution
- Step 1: Write the proportion equation
378,471.14 : 567,064.05 = 228,396.08 : x - Step 2: Convert to fraction form
378,471.14/567,064.05 = 228,396.08/x - Step 3: Cross multiply
378,471.14x = 567,064.05 × 228,396.08 - Step 4: Simplify right side
378,471.14x = 129,515,206,128.92 - Step 5: Solve for x
x = 129,515,206,128.92/378,471.14 - Step 6: Final answer
x = 342,206.29
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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.