Finding the Fourth Proportional to 467,120.49, 644,626.26 and 252,260.54
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Solution
The fourth proportional to 467,120.49, 644,626.26 and 252,260.54 is: 348,119.54
Step by Step Solution
- Step 1: Write the proportion equation
467,120.49 : 644,626.26 = 252,260.54 : x - Step 2: Convert to fraction form
467,120.49/644,626.26 = 252,260.54/x - Step 3: Cross multiply
467,120.49x = 644,626.26 × 252,260.54 - Step 4: Simplify right side
467,120.49x = 162,613,768,445.78 - Step 5: Solve for x
x = 162,613,768,445.78/467,120.49 - Step 6: Final answer
x = 348,119.54
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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.