Finding the Fourth Proportional to 287,226.99, 396,115.20 and 179,806.80
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Solution
The fourth proportional to 287,226.99, 396,115.20 and 179,806.80 is: 247,971.84
Step by Step Solution
- Step 1: Write the proportion equation
287,226.99 : 396,115.20 = 179,806.80 : x - Step 2: Convert to fraction form
287,226.99/396,115.20 = 179,806.80/x - Step 3: Cross multiply
287,226.99x = 396,115.20 × 179,806.80 - Step 4: Simplify right side
287,226.99x = 71,224,206,543.36 - Step 5: Solve for x
x = 71,224,206,543.36/287,226.99 - Step 6: Final answer
x = 247,971.84
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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.