Finding the Fourth Proportional to 177,414.80, 266,122.20 and 127,389.20
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Solution
The fourth proportional to 177,414.80, 266,122.20 and 127,389.20 is: 191,083.80
Step by Step Solution
- Step 1: Write the proportion equation
177,414.80 : 266,122.20 = 127,389.20 : x - Step 2: Convert to fraction form
177,414.80/266,122.20 = 127,389.20/x - Step 3: Cross multiply
177,414.80x = 266,122.20 × 127,389.20 - Step 4: Simplify right side
177,414.80x = 33,901,094,160.24 - Step 5: Solve for x
x = 33,901,094,160.24/177,414.80 - Step 6: Final answer
x = 191,083.80
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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.