Finding the Fourth Proportional to 206,989.76, 310,386.36 and 94,636.64
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Solution
The fourth proportional to 206,989.76, 310,386.36 and 94,636.64 is: 141,910.03
Step by Step Solution
- Step 1: Write the proportion equation
206,989.76 : 310,386.36 = 94,636.64 : x - Step 2: Convert to fraction form
206,989.76/310,386.36 = 94,636.64/x - Step 3: Cross multiply
206,989.76x = 310,386.36 × 94,636.64 - Step 4: Simplify right side
206,989.76x = 29,373,922,212.23 - Step 5: Solve for x
x = 29,373,922,212.23/206,989.76 - Step 6: Final answer
x = 141,910.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.