Finding the Fourth Proportional to 226,909.23, 313,142.21 and 124,942.19
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Solution
The fourth proportional to 226,909.23, 313,142.21 and 124,942.19 is: 172,424.33
Step by Step Solution
- Step 1: Write the proportion equation
226,909.23 : 313,142.21 = 124,942.19 : x - Step 2: Convert to fraction form
226,909.23/313,142.21 = 124,942.19/x - Step 3: Cross multiply
226,909.23x = 313,142.21 × 124,942.19 - Step 4: Simplify right side
226,909.23x = 39,124,671,308.42 - Step 5: Solve for x
x = 39,124,671,308.42/226,909.23 - Step 6: Final answer
x = 172,424.33
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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.