Finding the Fourth Proportional to 261,201.40, 392,637.30 and 242,711.80
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Solution
The fourth proportional to 261,201.40, 392,637.30 and 242,711.80 is: 364,843.78
Step by Step Solution
- Step 1: Write the proportion equation
261,201.40 : 392,637.30 = 242,711.80 : x - Step 2: Convert to fraction form
261,201.40/392,637.30 = 242,711.80/x - Step 3: Cross multiply
261,201.40x = 392,637.30 × 242,711.80 - Step 4: Simplify right side
261,201.40x = 95,297,705,830.14 - Step 5: Solve for x
x = 95,297,705,830.14/261,201.40 - Step 6: Final answer
x = 364,843.78
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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.