Finding the Fourth Proportional to 134,729.82, 201,985.11 and 50,442.75
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Solution
The fourth proportional to 134,729.82, 201,985.11 and 50,442.75 is: 75,623.08
Step by Step Solution
- Step 1: Write the proportion equation
134,729.82 : 201,985.11 = 50,442.75 : x - Step 2: Convert to fraction form
134,729.82/201,985.11 = 50,442.75/x - Step 3: Cross multiply
134,729.82x = 201,985.11 × 50,442.75 - Step 4: Simplify right side
134,729.82x = 10,188,684,407.45 - Step 5: Solve for x
x = 10,188,684,407.45/134,729.82 - Step 6: Final answer
x = 75,623.08
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1.5x scale
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.