Finding the Fourth Proportional to 211,542.16, 317,014.89 and 116,814.99
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Solution
The fourth proportional to 211,542.16, 317,014.89 and 116,814.99 is: 175,057.73
Step by Step Solution
- Step 1: Write the proportion equation
211,542.16 : 317,014.89 = 116,814.99 : x - Step 2: Convert to fraction form
211,542.16/317,014.89 = 116,814.99/x - Step 3: Cross multiply
211,542.16x = 317,014.89 × 116,814.99 - Step 4: Simplify right side
211,542.16x = 37,032,091,205.20 - Step 5: Solve for x
x = 37,032,091,205.20/211,542.16 - Step 6: Final answer
x = 175,057.73
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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.