Finding the Fourth Proportional to 751,877.28, 1,127,882.21 and 212,138.26
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Solution
The fourth proportional to 751,877.28, 1,127,882.21 and 212,138.26 is: 318,226.09
Step by Step Solution
- Step 1: Write the proportion equation
751,877.28 : 1,127,882.21 = 212,138.26 : x - Step 2: Convert to fraction form
751,877.28/1,127,882.21 = 212,138.26/x - Step 3: Cross multiply
751,877.28x = 1,127,882.21 × 212,138.26 - Step 4: Simplify right side
751,877.28x = 239,266,965,633.96 - Step 5: Solve for x
x = 239,266,965,633.96/751,877.28 - Step 6: Final answer
x = 318,226.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.