Finding the Fourth Proportional to 890,915.68, 1,336,303.79 and 251,193.58
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Solution
The fourth proportional to 890,915.68, 1,336,303.79 and 251,193.58 is: 376,770.70
Step by Step Solution
- Step 1: Write the proportion equation
890,915.68 : 1,336,303.79 = 251,193.58 : x - Step 2: Convert to fraction form
890,915.68/1,336,303.79 = 251,193.58/x - Step 3: Cross multiply
890,915.68x = 1,336,303.79 × 251,193.58 - Step 4: Simplify right side
890,915.68x = 335,670,926,296.15 - Step 5: Solve for x
x = 335,670,926,296.15/890,915.68 - Step 6: Final answer
x = 376,770.70
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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.