Finding the Fourth Proportional to 363,471.70, 545,319.12 and 186,103.24
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Solution
The fourth proportional to 363,471.70, 545,319.12 and 186,103.24 is: 279,211.99
Step by Step Solution
- Step 1: Write the proportion equation
363,471.70 : 545,319.12 = 186,103.24 : x - Step 2: Convert to fraction form
363,471.70/545,319.12 = 186,103.24/x - Step 3: Cross multiply
363,471.70x = 545,319.12 × 186,103.24 - Step 4: Simplify right side
363,471.70x = 101,485,655,065.95 - Step 5: Solve for x
x = 101,485,655,065.95/363,471.70 - Step 6: Final answer
x = 279,211.99
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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.