Finding the Fourth Proportional to 321,733.12, 482,599.36 and 220,431.36
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Solution
The fourth proportional to 321,733.12, 482,599.36 and 220,431.36 is: 330,646.82
Step by Step Solution
- Step 1: Write the proportion equation
321,733.12 : 482,599.36 = 220,431.36 : x - Step 2: Convert to fraction form
321,733.12/482,599.36 = 220,431.36/x - Step 3: Cross multiply
321,733.12x = 482,599.36 × 220,431.36 - Step 4: Simplify right side
321,733.12x = 106,380,033,259.93 - Step 5: Solve for x
x = 106,380,033,259.93/321,733.12 - Step 6: Final answer
x = 330,646.82
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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.