Finding the Fourth Proportional to 442,743.68, 664,162.97 and 122,896.91
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Solution
The fourth proportional to 442,743.68, 664,162.97 and 122,896.91 is: 184,358.53
Step by Step Solution
- Step 1: Write the proportion equation
442,743.68 : 664,162.97 = 122,896.91 : x - Step 2: Convert to fraction form
442,743.68/664,162.97 = 122,896.91/x - Step 3: Cross multiply
442,743.68x = 664,162.97 × 122,896.91 - Step 4: Simplify right side
442,743.68x = 81,623,573,735.85 - Step 5: Solve for x
x = 81,623,573,735.85/442,743.68 - Step 6: Final answer
x = 184,358.53
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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.