Finding the Fourth Proportional to 211,249.44, 316,914.12 and 84,899.52
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Solution
The fourth proportional to 211,249.44, 316,914.12 and 84,899.52 is: 127,365.34
Step by Step Solution
- Step 1: Write the proportion equation
211,249.44 : 316,914.12 = 84,899.52 : x - Step 2: Convert to fraction form
211,249.44/316,914.12 = 84,899.52/x - Step 3: Cross multiply
211,249.44x = 316,914.12 × 84,899.52 - Step 4: Simplify right side
211,249.44x = 26,905,856,669.22 - Step 5: Solve for x
x = 26,905,856,669.22/211,249.44 - Step 6: Final answer
x = 127,365.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.