Finding the Fourth Proportional to 162,517.70, 243,679.35 and 83,785.70
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Solution
The fourth proportional to 162,517.70, 243,679.35 and 83,785.70 is: 125,628.44
Step by Step Solution
- Step 1: Write the proportion equation
162,517.70 : 243,679.35 = 83,785.70 : x - Step 2: Convert to fraction form
162,517.70/243,679.35 = 83,785.70/x - Step 3: Cross multiply
162,517.70x = 243,679.35 × 83,785.70 - Step 4: Simplify right side
162,517.70x = 20,416,844,915.30 - Step 5: Solve for x
x = 20,416,844,915.30/162,517.70 - Step 6: Final answer
x = 125,628.44
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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.