Finding the Fourth Proportional to 203,989.98, 305,766.21 and 98,664.06
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Solution
The fourth proportional to 203,989.98, 305,766.21 and 98,664.06 is: 147,890.28
Step by Step Solution
- Step 1: Write the proportion equation
203,989.98 : 305,766.21 = 98,664.06 : x - Step 2: Convert to fraction form
203,989.98/305,766.21 = 98,664.06/x - Step 3: Cross multiply
203,989.98x = 305,766.21 × 98,664.06 - Step 4: Simplify right side
203,989.98x = 30,168,135,689.41 - Step 5: Solve for x
x = 30,168,135,689.41/203,989.98 - Step 6: Final answer
x = 147,890.28
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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.