Finding the Fourth Proportional to 219,635.80, 329,453.70 and 53,423.80
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Solution
The fourth proportional to 219,635.80, 329,453.70 and 53,423.80 is: 80,135.70
Step by Step Solution
- Step 1: Write the proportion equation
219,635.80 : 329,453.70 = 53,423.80 : x - Step 2: Convert to fraction form
219,635.80/329,453.70 = 53,423.80/x - Step 3: Cross multiply
219,635.80x = 329,453.70 × 53,423.80 - Step 4: Simplify right side
219,635.80x = 17,600,668,578.06 - Step 5: Solve for x
x = 17,600,668,578.06/219,635.80 - Step 6: Final answer
x = 80,135.70
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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.