Finding the Fourth Proportional to 366,949.99, 550,400.22 and 100,688.20
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Solution
The fourth proportional to 366,949.99, 550,400.22 and 100,688.20 is: 151,025.50
Step by Step Solution
- Step 1: Write the proportion equation
366,949.99 : 550,400.22 = 100,688.20 : x - Step 2: Convert to fraction form
366,949.99/550,400.22 = 100,688.20/x - Step 3: Cross multiply
366,949.99x = 550,400.22 × 100,688.20 - Step 4: Simplify right side
366,949.99x = 55,418,807,431.40 - Step 5: Solve for x
x = 55,418,807,431.40/366,949.99 - Step 6: Final answer
x = 151,025.50
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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.