Finding the Fourth Proportional to 161,091.74, 241,648.14 and 42,759.92
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Solution
The fourth proportional to 161,091.74, 241,648.14 and 42,759.92 is: 64,142.68
Step by Step Solution
- Step 1: Write the proportion equation
161,091.74 : 241,648.14 = 42,759.92 : x - Step 2: Convert to fraction form
161,091.74/241,648.14 = 42,759.92/x - Step 3: Cross multiply
161,091.74x = 241,648.14 × 42,759.92 - Step 4: Simplify right side
161,091.74x = 10,332,855,134.55 - Step 5: Solve for x
x = 10,332,855,134.55/161,091.74 - Step 6: Final answer
x = 64,142.68
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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.