Finding the Fourth Proportional to 670,717.98, 1,006,104.33 and 215,355.42
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Solution
The fourth proportional to 670,717.98, 1,006,104.33 and 215,355.42 is: 323,041.91
Step by Step Solution
- Step 1: Write the proportion equation
670,717.98 : 1,006,104.33 = 215,355.42 : x - Step 2: Convert to fraction form
670,717.98/1,006,104.33 = 215,355.42/x - Step 3: Cross multiply
670,717.98x = 1,006,104.33 × 215,355.42 - Step 4: Simplify right side
670,717.98x = 216,670,020,550.97 - Step 5: Solve for x
x = 216,670,020,550.97/670,717.98 - Step 6: Final answer
x = 323,041.91
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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.