Finding the Fourth Proportional to 395,324.78, 545,541.55 and 214,035.23
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Solution
The fourth proportional to 395,324.78, 545,541.55 and 214,035.23 is: 295,365.02
Step by Step Solution
- Step 1: Write the proportion equation
395,324.78 : 545,541.55 = 214,035.23 : x - Step 2: Convert to fraction form
395,324.78/545,541.55 = 214,035.23/x - Step 3: Cross multiply
395,324.78x = 545,541.55 × 214,035.23 - Step 4: Simplify right side
395,324.78x = 116,765,111,957.57 - Step 5: Solve for x
x = 116,765,111,957.57/395,324.78 - Step 6: Final answer
x = 295,365.02
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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.