Finding the Fourth Proportional to 381,939.24, 527,079.87 and 209,854.44
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Solution
The fourth proportional to 381,939.24, 527,079.87 and 209,854.44 is: 289,601.17
Step by Step Solution
- Step 1: Write the proportion equation
381,939.24 : 527,079.87 = 209,854.44 : x - Step 2: Convert to fraction form
381,939.24/527,079.87 = 209,854.44/x - Step 3: Cross multiply
381,939.24x = 527,079.87 × 209,854.44 - Step 4: Simplify right side
381,939.24x = 110,610,050,954.12 - Step 5: Solve for x
x = 110,610,050,954.12/381,939.24 - Step 6: Final answer
x = 289,601.17
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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.