Finding the Fourth Proportional to 213,619.33, 320,586.68 and 101,299.92
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Solution
The fourth proportional to 213,619.33, 320,586.68 and 101,299.92 is: 152,024.66
Step by Step Solution
- Step 1: Write the proportion equation
213,619.33 : 320,586.68 = 101,299.92 : x - Step 2: Convert to fraction form
213,619.33/320,586.68 = 101,299.92/x - Step 3: Cross multiply
213,619.33x = 320,586.68 × 101,299.92 - Step 4: Simplify right side
213,619.33x = 32,475,405,037.07 - Step 5: Solve for x
x = 32,475,405,037.07/213,619.33 - Step 6: Final answer
x = 152,024.66
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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.