Finding the Fourth Proportional to 378,125.32, 567,424.44 and 153,485.68
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Solution
The fourth proportional to 378,125.32, 567,424.44 and 153,485.68 is: 230,324.50
Step by Step Solution
- Step 1: Write the proportion equation
378,125.32 : 567,424.44 = 153,485.68 : x - Step 2: Convert to fraction form
378,125.32/567,424.44 = 153,485.68/x - Step 3: Cross multiply
378,125.32x = 567,424.44 × 153,485.68 - Step 4: Simplify right side
378,125.32x = 87,091,526,022.02 - Step 5: Solve for x
x = 87,091,526,022.02/378,125.32 - Step 6: Final answer
x = 230,324.50
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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.