Finding the Fourth Proportional to 313,941.76, 433,236.62 and 170,701.84
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Solution
The fourth proportional to 313,941.76, 433,236.62 and 170,701.84 is: 235,566.90
Step by Step Solution
- Step 1: Write the proportion equation
313,941.76 : 433,236.62 = 170,701.84 : x - Step 2: Convert to fraction form
313,941.76/433,236.62 = 170,701.84/x - Step 3: Cross multiply
313,941.76x = 433,236.62 × 170,701.84 - Step 4: Simplify right side
313,941.76x = 73,954,288,189.38 - Step 5: Solve for x
x = 73,954,288,189.38/313,941.76 - Step 6: Final answer
x = 235,566.90
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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.