Finding the Fourth Proportional to 395,626.30, 545,963.52 and 214,342.75
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Solution
The fourth proportional to 395,626.30, 545,963.52 and 214,342.75 is: 295,792.58
Step by Step Solution
- Step 1: Write the proportion equation
395,626.30 : 545,963.52 = 214,342.75 : x - Step 2: Convert to fraction form
395,626.30/545,963.52 = 214,342.75/x - Step 3: Cross multiply
395,626.30x = 545,963.52 × 214,342.75 - Step 4: Simplify right side
395,626.30x = 117,023,322,276.48 - Step 5: Solve for x
x = 117,023,322,276.48/395,626.30 - Step 6: Final answer
x = 295,792.58
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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.