Finding the Fourth Proportional to 292,697.28, 403,989.74 and 190,544.82
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Solution
The fourth proportional to 292,697.28, 403,989.74 and 190,544.82 is: 262,995.78
Step by Step Solution
- Step 1: Write the proportion equation
292,697.28 : 403,989.74 = 190,544.82 : x - Step 2: Convert to fraction form
292,697.28/403,989.74 = 190,544.82/x - Step 3: Cross multiply
292,697.28x = 403,989.74 × 190,544.82 - Step 4: Simplify right side
292,697.28x = 76,978,150,537.00 - Step 5: Solve for x
x = 76,978,150,537.00/292,697.28 - Step 6: Final answer
x = 262,995.78
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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.