Finding the Fourth Proportional to 378,330.14, 522,092.16 and 208,564.26
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Solution
The fourth proportional to 378,330.14, 522,092.16 and 208,564.26 is: 287,816.79
Step by Step Solution
- Step 1: Write the proportion equation
378,330.14 : 522,092.16 = 208,564.26 : x - Step 2: Convert to fraction form
378,330.14/522,092.16 = 208,564.26/x - Step 3: Cross multiply
378,330.14x = 522,092.16 × 208,564.26 - Step 4: Simplify right side
378,330.14x = 108,889,765,002.20 - Step 5: Solve for x
x = 108,889,765,002.20/378,330.14 - Step 6: Final answer
x = 287,816.79
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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.