Finding the Fourth Proportional to 268,707.42, 370,777.11 and 161,254.62
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Solution
The fourth proportional to 268,707.42, 370,777.11 and 161,254.62 is: 222,507.89
Step by Step Solution
- Step 1: Write the proportion equation
268,707.42 : 370,777.11 = 161,254.62 : x - Step 2: Convert to fraction form
268,707.42/370,777.11 = 161,254.62/x - Step 3: Cross multiply
268,707.42x = 370,777.11 × 161,254.62 - Step 4: Simplify right side
268,707.42x = 59,789,521,977.75 - Step 5: Solve for x
x = 59,789,521,977.75/268,707.42 - Step 6: Final answer
x = 222,507.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.