Finding the Fourth Proportional to 162,819.20, 224,683.84 and 91,198.08
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Solution
The fourth proportional to 162,819.20, 224,683.84 and 91,198.08 is: 125,849.62
Step by Step Solution
- Step 1: Write the proportion equation
162,819.20 : 224,683.84 = 91,198.08 : x - Step 2: Convert to fraction form
162,819.20/224,683.84 = 91,198.08/x - Step 3: Cross multiply
162,819.20x = 224,683.84 × 91,198.08 - Step 4: Simplify right side
162,819.20x = 20,490,734,815.03 - Step 5: Solve for x
x = 20,490,734,815.03/162,819.20 - Step 6: Final answer
x = 125,849.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.