Finding the Fourth Proportional to 363,442.16, 545,274.84 and 186,073.68
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Solution
The fourth proportional to 363,442.16, 545,274.84 and 186,073.68 is: 279,167.66
Step by Step Solution
- Step 1: Write the proportion equation
363,442.16 : 545,274.84 = 186,073.68 : x - Step 2: Convert to fraction form
363,442.16/545,274.84 = 186,073.68/x - Step 3: Cross multiply
363,442.16x = 545,274.84 × 186,073.68 - Step 4: Simplify right side
363,442.16x = 101,461,296,090.21 - Step 5: Solve for x
x = 101,461,296,090.21/363,442.16 - Step 6: Final answer
x = 279,167.66
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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.