Finding the Fourth Proportional to 397,695.02, 548,819.19 and 218,847.02
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Solution
The fourth proportional to 397,695.02, 548,819.19 and 218,847.02 is: 302,008.92
Step by Step Solution
- Step 1: Write the proportion equation
397,695.02 : 548,819.19 = 218,847.02 : x - Step 2: Convert to fraction form
397,695.02/548,819.19 = 218,847.02/x - Step 3: Cross multiply
397,695.02x = 548,819.19 × 218,847.02 - Step 4: Simplify right side
397,695.02x = 120,107,444,250.31 - Step 5: Solve for x
x = 120,107,444,250.31/397,695.02 - Step 6: Final answer
x = 302,008.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.