Finding the Fourth Proportional to 395,187.22, 545,360.01 and 213,899.08
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Solution
The fourth proportional to 395,187.22, 545,360.01 and 213,899.08 is: 295,181.62
Step by Step Solution
- Step 1: Write the proportion equation
395,187.22 : 545,360.01 = 213,899.08 : x - Step 2: Convert to fraction form
395,187.22/545,360.01 = 213,899.08/x - Step 3: Cross multiply
395,187.22x = 545,360.01 × 213,899.08 - Step 4: Simplify right side
395,187.22x = 116,652,004,407.79 - Step 5: Solve for x
x = 116,652,004,407.79/395,187.22 - Step 6: Final answer
x = 295,181.62
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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.