Finding the Fourth Proportional to 133,286.13, 199,907.55 and 44,539.49
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Solution
The fourth proportional to 133,286.13, 199,907.55 and 44,539.49 is: 66,801.99
Step by Step Solution
- Step 1: Write the proportion equation
133,286.13 : 199,907.55 = 44,539.49 : x - Step 2: Convert to fraction form
133,286.13/199,907.55 = 44,539.49/x - Step 3: Cross multiply
133,286.13x = 199,907.55 × 44,539.49 - Step 4: Simplify right side
133,286.13x = 8,903,779,324.61 - Step 5: Solve for x
x = 8,903,779,324.61/133,286.13 - Step 6: Final answer
x = 66,801.99
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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.