Finding the Fourth Proportional to 226,671.05, 312,796.19 and 124,690.05
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Solution
The fourth proportional to 226,671.05, 312,796.19 and 124,690.05 is: 172,066.84
Step by Step Solution
- Step 1: Write the proportion equation
226,671.05 : 312,796.19 = 124,690.05 : x - Step 2: Convert to fraction form
226,671.05/312,796.19 = 124,690.05/x - Step 3: Cross multiply
226,671.05x = 312,796.19 × 124,690.05 - Step 4: Simplify right side
226,671.05x = 39,002,573,057.98 - Step 5: Solve for x
x = 39,002,573,057.98/226,671.05 - Step 6: Final answer
x = 172,066.84
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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.