Finding the Fourth Proportional to 211,552.08, 317,325.69 and 71,409.12
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Solution
The fourth proportional to 211,552.08, 317,325.69 and 71,409.12 is: 107,112.86
Step by Step Solution
- Step 1: Write the proportion equation
211,552.08 : 317,325.69 = 71,409.12 : x - Step 2: Convert to fraction form
211,552.08/317,325.69 = 71,409.12/x - Step 3: Cross multiply
211,552.08x = 317,325.69 × 71,409.12 - Step 4: Simplify right side
211,552.08x = 22,659,948,276.29 - Step 5: Solve for x
x = 22,659,948,276.29/211,552.08 - Step 6: Final answer
x = 107,112.86
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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.