Finding the Fourth Proportional to 393,633.58, 590,446.48 and 180,340.99
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Solution
The fourth proportional to 393,633.58, 590,446.48 and 180,340.99 is: 270,509.70
Step by Step Solution
- Step 1: Write the proportion equation
393,633.58 : 590,446.48 = 180,340.99 : x - Step 2: Convert to fraction form
393,633.58/590,446.48 = 180,340.99/x - Step 3: Cross multiply
393,633.58x = 590,446.48 × 180,340.99 - Step 4: Simplify right side
393,633.58x = 106,481,702,745.22 - Step 5: Solve for x
x = 106,481,702,745.22/393,633.58 - Step 6: Final answer
x = 270,509.70
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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.