Finding the Fourth Proportional to 380,882.70, 571,398.73 and 140,998.44
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Solution
The fourth proportional to 380,882.70, 571,398.73 and 140,998.44 is: 211,525.31
Step by Step Solution
- Step 1: Write the proportion equation
380,882.70 : 571,398.73 = 140,998.44 : x - Step 2: Convert to fraction form
380,882.70/571,398.73 = 140,998.44/x - Step 3: Cross multiply
380,882.70x = 571,398.73 × 140,998.44 - Step 4: Simplify right side
380,882.70x = 80,566,331,338.23 - Step 5: Solve for x
x = 80,566,331,338.23/380,882.70 - Step 6: Final answer
x = 211,525.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.