Finding the Fourth Proportional to 467,120.48, 644,626.26 and 252,260.53
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Solution
The fourth proportional to 467,120.48, 644,626.26 and 252,260.53 is: 348,119.53
Step by Step Solution
- Step 1: Write the proportion equation
467,120.48 : 644,626.26 = 252,260.53 : x - Step 2: Convert to fraction form
467,120.48/644,626.26 = 252,260.53/x - Step 3: Cross multiply
467,120.48x = 644,626.26 × 252,260.53 - Step 4: Simplify right side
467,120.48x = 162,613,761,999.52 - Step 5: Solve for x
x = 162,613,761,999.52/467,120.48 - Step 6: Final answer
x = 348,119.53
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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.