Finding the Fourth Proportional to 203,990.23, 305,766.58 and 98,664.31
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Solution
The fourth proportional to 203,990.23, 305,766.58 and 98,664.31 is: 147,890.65
Step by Step Solution
- Step 1: Write the proportion equation
203,990.23 : 305,766.58 = 98,664.31 : x - Step 2: Convert to fraction form
203,990.23/305,766.58 = 98,664.31/x - Step 3: Cross multiply
203,990.23x = 305,766.58 × 98,664.31 - Step 4: Simplify right side
203,990.23x = 30,168,248,636.76 - Step 5: Solve for x
x = 30,168,248,636.76/203,990.23 - Step 6: Final answer
x = 147,890.65
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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.