Finding the Fourth Proportional to 211,723.20, 317,325.60 and 93,268.80
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Solution
The fourth proportional to 211,723.20, 317,325.60 and 93,268.80 is: 139,789.02
Step by Step Solution
- Step 1: Write the proportion equation
211,723.20 : 317,325.60 = 93,268.80 : x - Step 2: Convert to fraction form
211,723.20/317,325.60 = 93,268.80/x - Step 3: Cross multiply
211,723.20x = 317,325.60 × 93,268.80 - Step 4: Simplify right side
211,723.20x = 29,596,577,921.28 - Step 5: Solve for x
x = 29,596,577,921.28/211,723.20 - Step 6: Final answer
x = 139,789.02
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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.