Finding the Fourth Proportional to 194,900.81, 292,350.66 and 76,489.34
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Solution
The fourth proportional to 194,900.81, 292,350.66 and 76,489.34 is: 114,733.79
Step by Step Solution
- Step 1: Write the proportion equation
194,900.81 : 292,350.66 = 76,489.34 : x - Step 2: Convert to fraction form
194,900.81/292,350.66 = 76,489.34/x - Step 3: Cross multiply
194,900.81x = 292,350.66 × 76,489.34 - Step 4: Simplify right side
194,900.81x = 22,361,707,570.21 - Step 5: Solve for x
x = 22,361,707,570.21/194,900.81 - Step 6: Final answer
x = 114,733.79
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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.