Finding the Fourth Proportional to 211,026.49, 291,217.41 and 115,542.07
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Solution
The fourth proportional to 211,026.49, 291,217.41 and 115,542.07 is: 159,448.52
Step by Step Solution
- Step 1: Write the proportion equation
211,026.49 : 291,217.41 = 115,542.07 : x - Step 2: Convert to fraction form
211,026.49/291,217.41 = 115,542.07/x - Step 3: Cross multiply
211,026.49x = 291,217.41 × 115,542.07 - Step 4: Simplify right side
211,026.49x = 33,647,860,337.64 - Step 5: Solve for x
x = 33,647,860,337.64/211,026.49 - Step 6: Final answer
x = 159,448.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.