Finding the Fourth Proportional to 378,572.68, 567,968.46 and 122,399.80
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Solution
The fourth proportional to 378,572.68, 567,968.46 and 122,399.80 is: 183,635.08
Step by Step Solution
- Step 1: Write the proportion equation
378,572.68 : 567,968.46 = 122,399.80 : x - Step 2: Convert to fraction form
378,572.68/567,968.46 = 122,399.80/x - Step 3: Cross multiply
378,572.68x = 567,968.46 × 122,399.80 - Step 4: Simplify right side
378,572.68x = 69,519,225,910.31 - Step 5: Solve for x
x = 69,519,225,910.31/378,572.68 - Step 6: Final answer
x = 183,635.08
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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.