Finding the Fourth Proportional to 378,642.66, 567,840.65 and 125,855.26
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Solution
The fourth proportional to 378,642.66, 567,840.65 and 125,855.26 is: 188,741.90
Step by Step Solution
- Step 1: Write the proportion equation
378,642.66 : 567,840.65 = 125,855.26 : x - Step 2: Convert to fraction form
378,642.66/567,840.65 = 125,855.26/x - Step 3: Cross multiply
378,642.66x = 567,840.65 × 125,855.26 - Step 4: Simplify right side
378,642.66x = 71,465,734,452.18 - Step 5: Solve for x
x = 71,465,734,452.18/378,642.66 - Step 6: Final answer
x = 188,741.90
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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.