Finding the Fourth Proportional to 211,813.92, 317,624.00 and 126,463.52
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Solution
The fourth proportional to 211,813.92, 317,624.00 and 126,463.52 is: 189,637.44
Step by Step Solution
- Step 1: Write the proportion equation
211,813.92 : 317,624.00 = 126,463.52 : x - Step 2: Convert to fraction form
211,813.92/317,624.00 = 126,463.52/x - Step 3: Cross multiply
211,813.92x = 317,624.00 × 126,463.52 - Step 4: Simplify right side
211,813.92x = 40,167,849,238.22 - Step 5: Solve for x
x = 40,167,849,238.22/211,813.92 - Step 6: Final answer
x = 189,637.44
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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.