Finding the Fourth Proportional to 211,522.19, 317,181.22 and 122,798.03
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Solution
The fourth proportional to 211,522.19, 317,181.22 and 122,798.03 is: 184,137.79
Step by Step Solution
- Step 1: Write the proportion equation
211,522.19 : 317,181.22 = 122,798.03 : x - Step 2: Convert to fraction form
211,522.19/317,181.22 = 122,798.03/x - Step 3: Cross multiply
211,522.19x = 317,181.22 × 122,798.03 - Step 4: Simplify right side
211,522.19x = 38,949,227,076.10 - Step 5: Solve for x
x = 38,949,227,076.10/211,522.19 - Step 6: Final answer
x = 184,137.79
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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.