Finding the Fourth Proportional to 235,434.44, 324,898.44 and 138,694.52
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Solution
The fourth proportional to 235,434.44, 324,898.44 and 138,694.52 is: 191,397.80
Step by Step Solution
- Step 1: Write the proportion equation
235,434.44 : 324,898.44 = 138,694.52 : x - Step 2: Convert to fraction form
235,434.44/324,898.44 = 138,694.52/x - Step 3: Cross multiply
235,434.44x = 324,898.44 × 138,694.52 - Step 4: Simplify right side
235,434.44x = 45,061,633,184.55 - Step 5: Solve for x
x = 45,061,633,184.55/235,434.44 - Step 6: Final answer
x = 191,397.80
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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.