Finding the Fourth Proportional to 219,660.21, 329,114.14 and 119,890.42
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Solution
The fourth proportional to 219,660.21, 329,114.14 and 119,890.42 is: 179,630.31
Step by Step Solution
- Step 1: Write the proportion equation
219,660.21 : 329,114.14 = 119,890.42 : x - Step 2: Convert to fraction form
219,660.21/329,114.14 = 119,890.42/x - Step 3: Cross multiply
219,660.21x = 329,114.14 × 119,890.42 - Step 4: Simplify right side
219,660.21x = 39,457,631,350.03 - Step 5: Solve for x
x = 39,457,631,350.03/219,660.21 - Step 6: Final answer
x = 179,630.31
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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.