Finding the Fourth Proportional to 211,461.84, 317,161.64 and 61,661.84
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Solution
The fourth proportional to 211,461.84, 317,161.64 and 61,661.84 is: 92,483.69
Step by Step Solution
- Step 1: Write the proportion equation
211,461.84 : 317,161.64 = 61,661.84 : x - Step 2: Convert to fraction form
211,461.84/317,161.64 = 61,661.84/x - Step 3: Cross multiply
211,461.84x = 317,161.64 × 61,661.84 - Step 4: Simplify right side
211,461.84x = 19,556,770,299.82 - Step 5: Solve for x
x = 19,556,770,299.82/211,461.84 - Step 6: Final answer
x = 92,483.69
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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.