Finding the Fourth Proportional to 408,441.18, 612,451.17 and 183,609.48
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Solution
The fourth proportional to 408,441.18, 612,451.17 and 183,609.48 is: 275,319.55
Step by Step Solution
- Step 1: Write the proportion equation
408,441.18 : 612,451.17 = 183,609.48 : x - Step 2: Convert to fraction form
408,441.18/612,451.17 = 183,609.48/x - Step 3: Cross multiply
408,441.18x = 612,451.17 × 183,609.48 - Step 4: Simplify right side
408,441.18x = 112,451,840,849.09 - Step 5: Solve for x
x = 112,451,840,849.09/408,441.18 - Step 6: Final answer
x = 275,319.55
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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.