Finding the Fourth Proportional to 145,896.18, 218,491.58 and 120,751.14
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Solution
The fourth proportional to 145,896.18, 218,491.58 and 120,751.14 is: 180,834.81
Step by Step Solution
- Step 1: Write the proportion equation
145,896.18 : 218,491.58 = 120,751.14 : x - Step 2: Convert to fraction form
145,896.18/218,491.58 = 120,751.14/x - Step 3: Cross multiply
145,896.18x = 218,491.58 × 120,751.14 - Step 4: Simplify right side
145,896.18x = 26,383,107,307.87 - Step 5: Solve for x
x = 26,383,107,307.87/145,896.18 - Step 6: Final answer
x = 180,834.81
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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.