Finding the Fourth Proportional to 187,865.70, 281,133.36 and 116,821.80
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Solution
The fourth proportional to 187,865.70, 281,133.36 and 116,821.80 is: 174,819.06
Step by Step Solution
- Step 1: Write the proportion equation
187,865.70 : 281,133.36 = 116,821.80 : x - Step 2: Convert to fraction form
187,865.70/281,133.36 = 116,821.80/x - Step 3: Cross multiply
187,865.70x = 281,133.36 × 116,821.80 - Step 4: Simplify right side
187,865.70x = 32,842,505,155.25 - Step 5: Solve for x
x = 32,842,505,155.25/187,865.70 - Step 6: Final answer
x = 174,819.06
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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.