Finding the Fourth Proportional to 156,976.10, 235,464.15 and 107,209.70
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Solution
The fourth proportional to 156,976.10, 235,464.15 and 107,209.70 is: 160,814.55
Step by Step Solution
- Step 1: Write the proportion equation
156,976.10 : 235,464.15 = 107,209.70 : x - Step 2: Convert to fraction form
156,976.10/235,464.15 = 107,209.70/x - Step 3: Cross multiply
156,976.10x = 235,464.15 × 107,209.70 - Step 4: Simplify right side
156,976.10x = 25,244,040,882.26 - Step 5: Solve for x
x = 25,244,040,882.26/156,976.10 - Step 6: Final answer
x = 160,814.55
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1.5x scale
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.