Finding the Fourth Proportional to 134,624.30, 201,192.51 and 126,846.28
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Solution
The fourth proportional to 134,624.30, 201,192.51 and 126,846.28 is: 189,568.46
Step by Step Solution
- Step 1: Write the proportion equation
134,624.30 : 201,192.51 = 126,846.28 : x - Step 2: Convert to fraction form
134,624.30/201,192.51 = 126,846.28/x - Step 3: Cross multiply
134,624.30x = 201,192.51 × 126,846.28 - Step 4: Simplify right side
134,624.30x = 25,520,521,457.36 - Step 5: Solve for x
x = 25,520,521,457.36/134,624.30 - Step 6: Final answer
x = 189,568.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.