Finding the Fourth Proportional to 134,403.88, 201,635.02 and 40,907.20
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Solution
The fourth proportional to 134,403.88, 201,635.02 and 40,907.20 is: 61,369.69
Step by Step Solution
- Step 1: Write the proportion equation
134,403.88 : 201,635.02 = 40,907.20 : x - Step 2: Convert to fraction form
134,403.88/201,635.02 = 40,907.20/x - Step 3: Cross multiply
134,403.88x = 201,635.02 × 40,907.20 - Step 4: Simplify right side
134,403.88x = 8,248,324,090.14 - Step 5: Solve for x
x = 8,248,324,090.14/134,403.88 - Step 6: Final answer
x = 61,369.69
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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.