Finding the Fourth Proportional to 219,138.24, 329,489.82 and 201,817.20
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Solution
The fourth proportional to 219,138.24, 329,489.82 and 201,817.20 is: 303,446.41
Step by Step Solution
- Step 1: Write the proportion equation
219,138.24 : 329,489.82 = 201,817.20 : x - Step 2: Convert to fraction form
219,138.24/329,489.82 = 201,817.20/x - Step 3: Cross multiply
219,138.24x = 329,489.82 × 201,817.20 - Step 4: Simplify right side
219,138.24x = 66,496,712,900.90 - Step 5: Solve for x
x = 66,496,712,900.90/219,138.24 - Step 6: Final answer
x = 303,446.41
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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.