Finding the Fourth Proportional to 378,471.08, 567,063.97 and 228,396.02
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Solution
The fourth proportional to 378,471.08, 567,063.97 and 228,396.02 is: 342,206.21
Step by Step Solution
- Step 1: Write the proportion equation
378,471.08 : 567,063.97 = 228,396.02 : x - Step 2: Convert to fraction form
378,471.08/567,063.97 = 228,396.02/x - Step 3: Cross multiply
378,471.08x = 567,063.97 × 228,396.02 - Step 4: Simplify right side
378,471.08x = 129,515,153,833.40 - Step 5: Solve for x
x = 129,515,153,833.40/378,471.08 - Step 6: Final answer
x = 342,206.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.