Finding the Fourth Proportional to 80,299.18, 110,813.76 and 44,489.75
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Solution
The fourth proportional to 80,299.18, 110,813.76 and 44,489.75 is: 61,396.35
Step by Step Solution
- Step 1: Write the proportion equation
80,299.18 : 110,813.76 = 44,489.75 : x - Step 2: Convert to fraction form
80,299.18/110,813.76 = 44,489.75/x - Step 3: Cross multiply
80,299.18x = 110,813.76 × 44,489.75 - Step 4: Simplify right side
80,299.18x = 4,930,076,256.51 - Step 5: Solve for x
x = 4,930,076,256.51/80,299.18 - Step 6: Final answer
x = 61,396.35
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1.5x scale
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.