Finding the Fourth Proportional to 134,474.40, 201,711.60 and 112,823.10
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Solution
The fourth proportional to 134,474.40, 201,711.60 and 112,823.10 is: 169,234.65
Step by Step Solution
- Step 1: Write the proportion equation
134,474.40 : 201,711.60 = 112,823.10 : x - Step 2: Convert to fraction form
134,474.40/201,711.60 = 112,823.10/x - Step 3: Cross multiply
134,474.40x = 201,711.60 × 112,823.10 - Step 4: Simplify right side
134,474.40x = 22,757,728,017.96 - Step 5: Solve for x
x = 22,757,728,017.96/134,474.40 - Step 6: Final answer
x = 169,234.65
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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.