Finding the Fourth Proportional to 226,918.59, 313,144.99 and 124,941.88
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Solution
The fourth proportional to 226,918.59, 313,144.99 and 124,941.88 is: 172,418.33
Step by Step Solution
- Step 1: Write the proportion equation
226,918.59 : 313,144.99 = 124,941.88 : x - Step 2: Convert to fraction form
226,918.59/313,144.99 = 124,941.88/x - Step 3: Cross multiply
226,918.59x = 313,144.99 × 124,941.88 - Step 4: Simplify right side
226,918.59x = 39,124,923,763.18 - Step 5: Solve for x
x = 39,124,923,763.18/226,918.59 - Step 6: Final answer
x = 172,418.33
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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.