Finding the Fourth Proportional to 206,210.23, 308,912.63 and 97,985.63
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Solution
The fourth proportional to 206,210.23, 308,912.63 and 97,985.63 is: 146,787.09
Step by Step Solution
- Step 1: Write the proportion equation
206,210.23 : 308,912.63 = 97,985.63 : x - Step 2: Convert to fraction form
206,210.23/308,912.63 = 97,985.63/x - Step 3: Cross multiply
206,210.23x = 308,912.63 × 97,985.63 - Step 4: Simplify right side
206,210.23x = 30,268,998,665.51 - Step 5: Solve for x
x = 30,268,998,665.51/206,210.23 - Step 6: Final answer
x = 146,787.09
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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.