Finding the Fourth Proportional to 201,907.30, 302,860.95 and 68,743.30
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Solution
The fourth proportional to 201,907.30, 302,860.95 and 68,743.30 is: 103,114.95
Step by Step Solution
- Step 1: Write the proportion equation
201,907.30 : 302,860.95 = 68,743.30 : x - Step 2: Convert to fraction form
201,907.30/302,860.95 = 68,743.30/x - Step 3: Cross multiply
201,907.30x = 302,860.95 × 68,743.30 - Step 4: Simplify right side
201,907.30x = 20,819,661,144.14 - Step 5: Solve for x
x = 20,819,661,144.14/201,907.30 - Step 6: Final answer
x = 103,114.95
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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.