Finding the Fourth Proportional to 143,821.48, 215,763.36 and 55,074.99
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Solution
The fourth proportional to 143,821.48, 215,763.36 and 55,074.99 is: 82,624.41
Step by Step Solution
- Step 1: Write the proportion equation
143,821.48 : 215,763.36 = 55,074.99 : x - Step 2: Convert to fraction form
143,821.48/215,763.36 = 55,074.99/x - Step 3: Cross multiply
143,821.48x = 215,763.36 × 55,074.99 - Step 4: Simplify right side
143,821.48x = 11,883,164,283.28 - Step 5: Solve for x
x = 11,883,164,283.28/143,821.48 - Step 6: Final answer
x = 82,624.41
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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.