Finding the Fourth Proportional to 177,469.40, 266,072.80 and 83,865.80
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Solution
The fourth proportional to 177,469.40, 266,072.80 and 83,865.80 is: 125,736.65
Step by Step Solution
- Step 1: Write the proportion equation
177,469.40 : 266,072.80 = 83,865.80 : x - Step 2: Convert to fraction form
177,469.40/266,072.80 = 83,865.80/x - Step 3: Cross multiply
177,469.40x = 266,072.80 × 83,865.80 - Step 4: Simplify right side
177,469.40x = 22,314,408,230.24 - Step 5: Solve for x
x = 22,314,408,230.24/177,469.40 - Step 6: Final answer
x = 125,736.65
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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.