Finding the Fourth Proportional to 395,391.02, 545,642.24 and 214,102.95
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Solution
The fourth proportional to 395,391.02, 545,642.24 and 214,102.95 is: 295,463.50
Step by Step Solution
- Step 1: Write the proportion equation
395,391.02 : 545,642.24 = 214,102.95 : x - Step 2: Convert to fraction form
395,391.02/545,642.24 = 214,102.95/x - Step 3: Cross multiply
395,391.02x = 545,642.24 × 214,102.95 - Step 4: Simplify right side
395,391.02x = 116,823,614,204.25 - Step 5: Solve for x
x = 116,823,614,204.25/395,391.02 - Step 6: Final answer
x = 295,463.50
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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.