Finding the Fourth Proportional to 211,676.84, 317,570.58 and 122,844.95
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Solution
The fourth proportional to 211,676.84, 317,570.58 and 122,844.95 is: 184,299.53
Step by Step Solution
- Step 1: Write the proportion equation
211,676.84 : 317,570.58 = 122,844.95 : x - Step 2: Convert to fraction form
211,676.84/317,570.58 = 122,844.95/x - Step 3: Cross multiply
211,676.84x = 317,570.58 × 122,844.95 - Step 4: Simplify right side
211,676.84x = 39,011,940,433.72 - Step 5: Solve for x
x = 39,011,940,433.72/211,676.84 - Step 6: Final answer
x = 184,299.53
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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.