Finding the Fourth Proportional to 227,754.36, 314,285.40 and 137,092.68
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Solution
The fourth proportional to 227,754.36, 314,285.40 and 137,092.68 is: 189,178.50
Step by Step Solution
- Step 1: Write the proportion equation
227,754.36 : 314,285.40 = 137,092.68 : x - Step 2: Convert to fraction form
227,754.36/314,285.40 = 137,092.68/x - Step 3: Cross multiply
227,754.36x = 314,285.40 × 137,092.68 - Step 4: Simplify right side
227,754.36x = 43,086,227,770.87 - Step 5: Solve for x
x = 43,086,227,770.87/227,754.36 - Step 6: Final answer
x = 189,178.50
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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.