Finding the Fourth Proportional to 313,979.85, 433,295.25 and 170,742.99
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Solution
The fourth proportional to 313,979.85, 433,295.25 and 170,742.99 is: 235,626.99
Step by Step Solution
- Step 1: Write the proportion equation
313,979.85 : 433,295.25 = 170,742.99 : x - Step 2: Convert to fraction form
313,979.85/433,295.25 = 170,742.99/x - Step 3: Cross multiply
313,979.85x = 433,295.25 × 170,742.99 - Step 4: Simplify right side
313,979.85x = 73,982,126,537.80 - Step 5: Solve for x
x = 73,982,126,537.80/313,979.85 - Step 6: Final answer
x = 235,626.99
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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.