Finding the Fourth Proportional to 226,663.41, 312,793.77 and 124,686.67
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Solution
The fourth proportional to 226,663.41, 312,793.77 and 124,686.67 is: 172,066.65
Step by Step Solution
- Step 1: Write the proportion equation
226,663.41 : 312,793.77 = 124,686.67 : x - Step 2: Convert to fraction form
226,663.41/312,793.77 = 124,686.67/x - Step 3: Cross multiply
226,663.41x = 312,793.77 × 124,686.67 - Step 4: Simplify right side
226,663.41x = 39,001,213,578.05 - Step 5: Solve for x
x = 39,001,213,578.05/226,663.41 - Step 6: Final answer
x = 172,066.65
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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.