Finding the Fourth Proportional to 100,358.70, 150,246.45 and 97,442.70
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Solution
The fourth proportional to 100,358.70, 150,246.45 and 97,442.70 is: 145,880.92
Step by Step Solution
- Step 1: Write the proportion equation
100,358.70 : 150,246.45 = 97,442.70 : x - Step 2: Convert to fraction form
100,358.70/150,246.45 = 97,442.70/x - Step 3: Cross multiply
100,358.70x = 150,246.45 × 97,442.70 - Step 4: Simplify right side
100,358.70x = 14,640,419,753.42 - Step 5: Solve for x
x = 14,640,419,753.42/100,358.70 - Step 6: Final answer
x = 145,880.92
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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.