Finding the Fourth Proportional to 313,849.76, 433,121.12 and 170,619.52
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Solution
The fourth proportional to 313,849.76, 433,121.12 and 170,619.52 is: 235,459.53
Step by Step Solution
- Step 1: Write the proportion equation
313,849.76 : 433,121.12 = 170,619.52 : x - Step 2: Convert to fraction form
313,849.76/433,121.12 = 170,619.52/x - Step 3: Cross multiply
313,849.76x = 433,121.12 × 170,619.52 - Step 4: Simplify right side
313,849.76x = 73,898,917,596.26 - Step 5: Solve for x
x = 73,898,917,596.26/313,849.76 - Step 6: Final answer
x = 235,459.53
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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.