Finding the Fourth Proportional to 395,049.66, 545,164.58 and 213,757.62
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Solution
The fourth proportional to 395,049.66, 545,164.58 and 213,757.62 is: 294,983.38
Step by Step Solution
- Step 1: Write the proportion equation
395,049.66 : 545,164.58 = 213,757.62 : x - Step 2: Convert to fraction form
395,049.66/545,164.58 = 213,757.62/x - Step 3: Cross multiply
395,049.66x = 545,164.58 × 213,757.62 - Step 4: Simplify right side
395,049.66x = 116,533,083,129.10 - Step 5: Solve for x
x = 116,533,083,129.10/395,049.66 - Step 6: Final answer
x = 294,983.38
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1.5x scale
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.