Finding the Fourth Proportional to 386,824.04, 580,234.44 and 218,267.63
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Solution
The fourth proportional to 386,824.04, 580,234.44 and 218,267.63 is: 327,400.53
Step by Step Solution
- Step 1: Write the proportion equation
386,824.04 : 580,234.44 = 218,267.63 : x - Step 2: Convert to fraction form
386,824.04/580,234.44 = 218,267.63/x - Step 3: Cross multiply
386,824.04x = 580,234.44 × 218,267.63 - Step 4: Simplify right side
386,824.04x = 126,646,396,063.18 - Step 5: Solve for x
x = 126,646,396,063.18/386,824.04 - Step 6: Final answer
x = 327,400.53
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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.