Finding the Fourth Proportional to 134,745.60, 202,118.40 and 41,251.20
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Solution
The fourth proportional to 134,745.60, 202,118.40 and 41,251.20 is: 61,876.80
Step by Step Solution
- Step 1: Write the proportion equation
134,745.60 : 202,118.40 = 41,251.20 : x - Step 2: Convert to fraction form
134,745.60/202,118.40 = 41,251.20/x - Step 3: Cross multiply
134,745.60x = 202,118.40 × 41,251.20 - Step 4: Simplify right side
134,745.60x = 8,337,626,542.08 - Step 5: Solve for x
x = 8,337,626,542.08/134,745.60 - Step 6: Final answer
x = 61,876.80
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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.