Finding the Fourth Proportional to 378,318.36, 566,476.38 and 228,358.20
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Solution
The fourth proportional to 378,318.36, 566,476.38 and 228,358.20 is: 341,932.99
Step by Step Solution
- Step 1: Write the proportion equation
378,318.36 : 566,476.38 = 228,358.20 : x - Step 2: Convert to fraction form
378,318.36/566,476.38 = 228,358.20/x - Step 3: Cross multiply
378,318.36x = 566,476.38 × 228,358.20 - Step 4: Simplify right side
378,318.36x = 129,359,526,479.32 - Step 5: Solve for x
x = 129,359,526,479.32/378,318.36 - Step 6: Final answer
x = 341,932.99
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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.