Finding the Fourth Proportional to 531,818.61, 733,914.36 and 290,102.28
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Solution
The fourth proportional to 531,818.61, 733,914.36 and 290,102.28 is: 400,343.70
Step by Step Solution
- Step 1: Write the proportion equation
531,818.61 : 733,914.36 = 290,102.28 : x - Step 2: Convert to fraction form
531,818.61/733,914.36 = 290,102.28/x - Step 3: Cross multiply
531,818.61x = 733,914.36 × 290,102.28 - Step 4: Simplify right side
531,818.61x = 212,910,229,160.74 - Step 5: Solve for x
x = 212,910,229,160.74/531,818.61 - Step 6: Final answer
x = 400,343.70
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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.