Finding the Fourth Proportional to 87,217.14, 130,825.84 and 24,887.64
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Solution
The fourth proportional to 87,217.14, 130,825.84 and 24,887.64 is: 37,331.50
Step by Step Solution
- Step 1: Write the proportion equation
87,217.14 : 130,825.84 = 24,887.64 : x - Step 2: Convert to fraction form
87,217.14/130,825.84 = 24,887.64/x - Step 3: Cross multiply
87,217.14x = 130,825.84 × 24,887.64 - Step 4: Simplify right side
87,217.14x = 3,255,946,408.62 - Step 5: Solve for x
x = 3,255,946,408.62/87,217.14 - Step 6: Final answer
x = 37,331.50
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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.