Finding the Fourth Proportional to 209,589.12, 313,417.97 and 155,655.65
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Solution
The fourth proportional to 209,589.12, 313,417.97 and 155,655.65 is: 232,766.26
Step by Step Solution
- Step 1: Write the proportion equation
209,589.12 : 313,417.97 = 155,655.65 : x - Step 2: Convert to fraction form
209,589.12/313,417.97 = 155,655.65/x - Step 3: Cross multiply
209,589.12x = 313,417.97 × 155,655.65 - Step 4: Simplify right side
209,589.12x = 48,785,275,496.66 - Step 5: Solve for x
x = 48,785,275,496.66/209,589.12 - Step 6: Final answer
x = 232,766.26
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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.