Finding the Fourth Proportional to 229,432.80, 344,149.20 and 149,716.65
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Solution
The fourth proportional to 229,432.80, 344,149.20 and 149,716.65 is: 224,574.98
Step by Step Solution
- Step 1: Write the proportion equation
229,432.80 : 344,149.20 = 149,716.65 : x - Step 2: Convert to fraction form
229,432.80/344,149.20 = 149,716.65/x - Step 3: Cross multiply
229,432.80x = 344,149.20 × 149,716.65 - Step 4: Simplify right side
229,432.80x = 51,524,865,324.18 - Step 5: Solve for x
x = 51,524,865,324.18/229,432.80 - Step 6: Final answer
x = 224,574.98
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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.