Finding the Fourth Proportional to 351,759.44, 485,451.84 and 198,744.56
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Solution
The fourth proportional to 351,759.44, 485,451.84 and 198,744.56 is: 274,280.95
Step by Step Solution
- Step 1: Write the proportion equation
351,759.44 : 485,451.84 = 198,744.56 : x - Step 2: Convert to fraction form
351,759.44/485,451.84 = 198,744.56/x - Step 3: Cross multiply
351,759.44x = 485,451.84 × 198,744.56 - Step 4: Simplify right side
351,759.44x = 96,480,912,341.99 - Step 5: Solve for x
x = 96,480,912,341.99/351,759.44 - Step 6: Final answer
x = 274,280.95
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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.