Finding the Fourth Proportional to 177,122.20, 266,201.70 and 154,312.60
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Solution
The fourth proportional to 177,122.20, 266,201.70 and 154,312.60 is: 231,920.54
Step by Step Solution
- Step 1: Write the proportion equation
177,122.20 : 266,201.70 = 154,312.60 : x - Step 2: Convert to fraction form
177,122.20/266,201.70 = 154,312.60/x - Step 3: Cross multiply
177,122.20x = 266,201.70 × 154,312.60 - Step 4: Simplify right side
177,122.20x = 41,078,276,451.42 - Step 5: Solve for x
x = 41,078,276,451.42/177,122.20 - Step 6: Final answer
x = 231,920.54
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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.