Finding the Fourth Proportional to 321,575.21, 482,366.90 and 121,841.95
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Solution
The fourth proportional to 321,575.21, 482,366.90 and 121,841.95 is: 182,764.46
Step by Step Solution
- Step 1: Write the proportion equation
321,575.21 : 482,366.90 = 121,841.95 : x - Step 2: Convert to fraction form
321,575.21/482,366.90 = 121,841.95/x - Step 3: Cross multiply
321,575.21x = 482,366.90 × 121,841.95 - Step 4: Simplify right side
321,575.21x = 58,772,520,690.41 - Step 5: Solve for x
x = 58,772,520,690.41/321,575.21 - Step 6: Final answer
x = 182,764.46
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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.