Finding the Fourth Proportional to 156,958.10, 235,048.35 and 100,711.70
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Solution
The fourth proportional to 156,958.10, 235,048.35 and 100,711.70 is: 150,818.08
Step by Step Solution
- Step 1: Write the proportion equation
156,958.10 : 235,048.35 = 100,711.70 : x - Step 2: Convert to fraction form
156,958.10/235,048.35 = 100,711.70/x - Step 3: Cross multiply
156,958.10x = 235,048.35 × 100,711.70 - Step 4: Simplify right side
156,958.10x = 23,672,118,910.70 - Step 5: Solve for x
x = 23,672,118,910.70/156,958.10 - Step 6: Final answer
x = 150,818.08
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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.