Finding the Fourth Proportional to 395,564.75, 545,881.97 and 214,276.68
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Solution
The fourth proportional to 395,564.75, 545,881.97 and 214,276.68 is: 295,703.23
Step by Step Solution
- Step 1: Write the proportion equation
395,564.75 : 545,881.97 = 214,276.68 : x - Step 2: Convert to fraction form
395,564.75/545,881.97 = 214,276.68/x - Step 3: Cross multiply
395,564.75x = 545,881.97 × 214,276.68 - Step 4: Simplify right side
395,564.75x = 116,969,776,203.46 - Step 5: Solve for x
x = 116,969,776,203.46/395,564.75 - Step 6: Final answer
x = 295,703.23
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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.