Finding the Fourth Proportional to 365,606.82, 548,409.42 and 99,405.99
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Solution
The fourth proportional to 365,606.82, 548,409.42 and 99,405.99 is: 149,108.76
Step by Step Solution
- Step 1: Write the proportion equation
365,606.82 : 548,409.42 = 99,405.99 : x - Step 2: Convert to fraction form
365,606.82/548,409.42 = 99,405.99/x - Step 3: Cross multiply
365,606.82x = 548,409.42 × 99,405.99 - Step 4: Simplify right side
365,606.82x = 54,515,181,320.43 - Step 5: Solve for x
x = 54,515,181,320.43/365,606.82 - Step 6: Final answer
x = 149,108.76
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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.