Finding the Fourth Proportional to 313,815.76, 433,074.16 and 170,585.44
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Solution
The fourth proportional to 313,815.76, 433,074.16 and 170,585.44 is: 235,412.48
Step by Step Solution
- Step 1: Write the proportion equation
313,815.76 : 433,074.16 = 170,585.44 : x - Step 2: Convert to fraction form
313,815.76/433,074.16 = 170,585.44/x - Step 3: Cross multiply
313,815.76x = 433,074.16 × 170,585.44 - Step 4: Simplify right side
313,815.76x = 73,876,146,136.23 - Step 5: Solve for x
x = 73,876,146,136.23/313,815.76 - Step 6: Final answer
x = 235,412.48
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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.