Finding the Fourth Proportional to 198,803.41, 297,977.16 and 98,739.97
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Solution
The fourth proportional to 198,803.41, 297,977.16 and 98,739.97 is: 147,996.74
Step by Step Solution
- Step 1: Write the proportion equation
198,803.41 : 297,977.16 = 98,739.97 : x - Step 2: Convert to fraction form
198,803.41/297,977.16 = 98,739.97/x - Step 3: Cross multiply
198,803.41x = 297,977.16 × 98,739.97 - Step 4: Simplify right side
198,803.41x = 29,422,255,839.09 - Step 5: Solve for x
x = 29,422,255,839.09/198,803.41 - Step 6: Final answer
x = 147,996.74
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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.