Finding the Fourth Proportional to 890,910.98, 1,336,296.74 and 251,188.88
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Solution
The fourth proportional to 890,910.98, 1,336,296.74 and 251,188.88 is: 376,763.65
Step by Step Solution
- Step 1: Write the proportion equation
890,910.98 : 1,336,296.74 = 251,188.88 : x - Step 2: Convert to fraction form
890,910.98/1,336,296.74 = 251,188.88/x - Step 3: Cross multiply
890,910.98x = 1,336,296.74 × 251,188.88 - Step 4: Simplify right side
890,910.98x = 335,662,873,530.82 - Step 5: Solve for x
x = 335,662,873,530.82/890,910.98 - Step 6: Final answer
x = 376,763.65
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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.