Finding the Fourth Proportional to 275,793.10, 380,610.73 and 207,689.92
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Solution
The fourth proportional to 275,793.10, 380,610.73 and 207,689.92 is: 286,624.33
Step by Step Solution
- Step 1: Write the proportion equation
275,793.10 : 380,610.73 = 207,689.92 : x - Step 2: Convert to fraction form
275,793.10/380,610.73 = 207,689.92/x - Step 3: Cross multiply
275,793.10x = 380,610.73 × 207,689.92 - Step 4: Simplify right side
275,793.10x = 79,049,011,372.93 - Step 5: Solve for x
x = 79,049,011,372.93/275,793.10 - Step 6: Final answer
x = 286,624.33
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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.