Finding the Fourth Proportional to 134,873.60, 202,310.40 and 46,105.70
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Solution
The fourth proportional to 134,873.60, 202,310.40 and 46,105.70 is: 69,158.55
Step by Step Solution
- Step 1: Write the proportion equation
134,873.60 : 202,310.40 = 46,105.70 : x - Step 2: Convert to fraction form
134,873.60/202,310.40 = 46,105.70/x - Step 3: Cross multiply
134,873.60x = 202,310.40 × 46,105.70 - Step 4: Simplify right side
134,873.60x = 9,327,662,609.28 - Step 5: Solve for x
x = 9,327,662,609.28/134,873.60 - Step 6: Final answer
x = 69,158.55
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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.