Finding the Fourth Proportional to 363,476.20, 545,325.90 and 186,107.74
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Solution
The fourth proportional to 363,476.20, 545,325.90 and 186,107.74 is: 279,218.75
Step by Step Solution
- Step 1: Write the proportion equation
363,476.20 : 545,325.90 = 186,107.74 : x - Step 2: Convert to fraction form
363,476.20/545,325.90 = 186,107.74/x - Step 3: Cross multiply
363,476.20x = 545,325.90 × 186,107.74 - Step 4: Simplify right side
363,476.20x = 101,489,370,812.47 - Step 5: Solve for x
x = 101,489,370,812.47/363,476.20 - Step 6: Final answer
x = 279,218.75
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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.