Finding the Fourth Proportional to 382,073.20, 527,269.26 and 209,992.84
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Solution
The fourth proportional to 382,073.20, 527,269.26 and 209,992.84 is: 289,794.65
Step by Step Solution
- Step 1: Write the proportion equation
382,073.20 : 527,269.26 = 209,992.84 : x - Step 2: Convert to fraction form
382,073.20/527,269.26 = 209,992.84/x - Step 3: Cross multiply
382,073.20x = 527,269.26 × 209,992.84 - Step 4: Simplify right side
382,073.20x = 110,722,769,352.10 - Step 5: Solve for x
x = 110,722,769,352.10/382,073.20 - Step 6: Final answer
x = 289,794.65
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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.