Finding the Fourth Proportional to 137,907.10, 206,963.05 and 54,860.70
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Solution
The fourth proportional to 137,907.10, 206,963.05 and 54,860.70 is: 82,331.79
Step by Step Solution
- Step 1: Write the proportion equation
137,907.10 : 206,963.05 = 54,860.70 : x - Step 2: Convert to fraction form
137,907.10/206,963.05 = 54,860.70/x - Step 3: Cross multiply
137,907.10x = 206,963.05 × 54,860.70 - Step 4: Simplify right side
137,907.10x = 11,354,137,797.14 - Step 5: Solve for x
x = 11,354,137,797.14/137,907.10 - Step 6: Final answer
x = 82,331.79
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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.