Finding the Fourth Proportional to 395,630.10, 545,968.77 and 214,346.55
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Solution
The fourth proportional to 395,630.10, 545,968.77 and 214,346.55 is: 295,797.82
Step by Step Solution
- Step 1: Write the proportion equation
395,630.10 : 545,968.77 = 214,346.55 : x - Step 2: Convert to fraction form
395,630.10/545,968.77 = 214,346.55/x - Step 3: Cross multiply
395,630.10x = 545,968.77 × 214,346.55 - Step 4: Simplify right side
395,630.10x = 117,026,522,257.24 - Step 5: Solve for x
x = 117,026,522,257.24/395,630.10 - Step 6: Final answer
x = 295,797.82
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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.