Finding the Fourth Proportional to 395,634.12, 545,975.63 and 214,346.06
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Solution
The fourth proportional to 395,634.12, 545,975.63 and 214,346.06 is: 295,797.85
Step by Step Solution
- Step 1: Write the proportion equation
395,634.12 : 545,975.63 = 214,346.06 : x - Step 2: Convert to fraction form
395,634.12/545,975.63 = 214,346.06/x - Step 3: Cross multiply
395,634.12x = 545,975.63 × 214,346.06 - Step 4: Simplify right side
395,634.12x = 117,027,723,392.32 - Step 5: Solve for x
x = 117,027,723,392.32/395,634.12 - Step 6: Final answer
x = 295,797.85
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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.