Finding the Fourth Proportional to 134,474.40, 201,711.60 and 60,746.40
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Solution
The fourth proportional to 134,474.40, 201,711.60 and 60,746.40 is: 91,119.60
Step by Step Solution
- Step 1: Write the proportion equation
134,474.40 : 201,711.60 = 60,746.40 : x - Step 2: Convert to fraction form
134,474.40/201,711.60 = 60,746.40/x - Step 3: Cross multiply
134,474.40x = 201,711.60 × 60,746.40 - Step 4: Simplify right side
134,474.40x = 12,253,253,538.24 - Step 5: Solve for x
x = 12,253,253,538.24/134,474.40 - Step 6: Final answer
x = 91,119.60
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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.