Finding the Fourth Proportional to 395,350.61, 545,581.55 and 214,058.80
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Solution
The fourth proportional to 395,350.61, 545,581.55 and 214,058.80 is: 295,399.90
Step by Step Solution
- Step 1: Write the proportion equation
395,350.61 : 545,581.55 = 214,058.80 : x - Step 2: Convert to fraction form
395,350.61/545,581.55 = 214,058.80/x - Step 3: Cross multiply
395,350.61x = 545,581.55 × 214,058.80 - Step 4: Simplify right side
395,350.61x = 116,786,531,066.33 - Step 5: Solve for x
x = 116,786,531,066.33/395,350.61 - Step 6: Final answer
x = 295,399.90
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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.