Finding the Fourth Proportional to 531,310.19, 733,186.49 and 289,587.56
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Solution
The fourth proportional to 531,310.19, 733,186.49 and 289,587.56 is: 399,619.07
Step by Step Solution
- Step 1: Write the proportion equation
531,310.19 : 733,186.49 = 289,587.56 : x - Step 2: Convert to fraction form
531,310.19/733,186.49 = 289,587.56/x - Step 3: Cross multiply
531,310.19x = 733,186.49 × 289,587.56 - Step 4: Simplify right side
531,310.19x = 212,321,681,550.19 - Step 5: Solve for x
x = 212,321,681,550.19/531,310.19 - Step 6: Final answer
x = 399,619.07
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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.