Finding the Fourth Proportional to 134,138.40, 201,234.60 and 39,368.40
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Solution
The fourth proportional to 134,138.40, 201,234.60 and 39,368.40 is: 59,060.52
Step by Step Solution
- Step 1: Write the proportion equation
134,138.40 : 201,234.60 = 39,368.40 : x - Step 2: Convert to fraction form
134,138.40/201,234.60 = 39,368.40/x - Step 3: Cross multiply
134,138.40x = 201,234.60 × 39,368.40 - Step 4: Simplify right side
134,138.40x = 7,922,284,226.64 - Step 5: Solve for x
x = 7,922,284,226.64/134,138.40 - Step 6: Final answer
x = 59,060.52
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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.