Finding the Fourth Proportional to 134,286.70, 201,211.35 and 98,857.30
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Solution
The fourth proportional to 134,286.70, 201,211.35 and 98,857.30 is: 148,124.95
Step by Step Solution
- Step 1: Write the proportion equation
134,286.70 : 201,211.35 = 98,857.30 : x - Step 2: Convert to fraction form
134,286.70/201,211.35 = 98,857.30/x - Step 3: Cross multiply
134,286.70x = 201,211.35 × 98,857.30 - Step 4: Simplify right side
134,286.70x = 19,891,210,790.36 - Step 5: Solve for x
x = 19,891,210,790.36/134,286.70 - Step 6: Final answer
x = 148,124.95
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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.