Finding the Fourth Proportional to 312,446.22, 431,173.50 and 169,202.94
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Solution
The fourth proportional to 312,446.22, 431,173.50 and 169,202.94 is: 233,498.82
Step by Step Solution
- Step 1: Write the proportion equation
312,446.22 : 431,173.50 = 169,202.94 : x - Step 2: Convert to fraction form
312,446.22/431,173.50 = 169,202.94/x - Step 3: Cross multiply
312,446.22x = 431,173.50 × 169,202.94 - Step 4: Simplify right side
312,446.22x = 72,955,823,850.09 - Step 5: Solve for x
x = 72,955,823,850.09/312,446.22 - Step 6: Final answer
x = 233,498.82
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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.