Finding the Fourth Proportional to 115,628.76, 173,472.99 and 35,664.92
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Solution
The fourth proportional to 115,628.76, 173,472.99 and 35,664.92 is: 53,506.59
Step by Step Solution
- Step 1: Write the proportion equation
115,628.76 : 173,472.99 = 35,664.92 : x - Step 2: Convert to fraction form
115,628.76/173,472.99 = 35,664.92/x - Step 3: Cross multiply
115,628.76x = 173,472.99 × 35,664.92 - Step 4: Simplify right side
115,628.76x = 6,186,900,310.51 - Step 5: Solve for x
x = 6,186,900,310.51/115,628.76 - Step 6: Final answer
x = 53,506.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.