Finding the Fourth Proportional to 226,887.09, 313,091.91 and 124,892.70
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Solution
The fourth proportional to 226,887.09, 313,091.91 and 124,892.70 is: 172,345.17
Step by Step Solution
- Step 1: Write the proportion equation
226,887.09 : 313,091.91 = 124,892.70 : x - Step 2: Convert to fraction form
226,887.09/313,091.91 = 124,892.70/x - Step 3: Cross multiply
226,887.09x = 313,091.91 × 124,892.70 - Step 4: Simplify right side
226,887.09x = 39,102,893,988.06 - Step 5: Solve for x
x = 39,102,893,988.06/226,887.09 - Step 6: Final answer
x = 172,345.17
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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.