Finding the Fourth Proportional to 211,738.08, 317,660.40 and 93,442.08
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Solution
The fourth proportional to 211,738.08, 317,660.40 and 93,442.08 is: 140,186.63
Step by Step Solution
- Step 1: Write the proportion equation
211,738.08 : 317,660.40 = 93,442.08 : x - Step 2: Convert to fraction form
211,738.08/317,660.40 = 93,442.08/x - Step 3: Cross multiply
211,738.08x = 317,660.40 × 93,442.08 - Step 4: Simplify right side
211,738.08x = 29,682,848,509.63 - Step 5: Solve for x
x = 29,682,848,509.63/211,738.08 - Step 6: Final answer
x = 140,186.63
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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.