Finding the Fourth Proportional to 783,009.18, 1,174,514.49 and 192,033.18
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Solution
The fourth proportional to 783,009.18, 1,174,514.49 and 192,033.18 is: 288,049.95
Step by Step Solution
- Step 1: Write the proportion equation
783,009.18 : 1,174,514.49 = 192,033.18 : x - Step 2: Convert to fraction form
783,009.18/1,174,514.49 = 192,033.18/x - Step 3: Cross multiply
783,009.18x = 1,174,514.49 × 192,033.18 - Step 4: Simplify right side
783,009.18x = 225,545,752,470.78 - Step 5: Solve for x
x = 225,545,752,470.78/783,009.18 - Step 6: Final answer
x = 288,049.95
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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.