Finding the Fourth Proportional to 321,819.36, 482,732.49 and 97,181.74
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Solution
The fourth proportional to 321,819.36, 482,732.49 and 97,181.74 is: 145,773.65
Step by Step Solution
- Step 1: Write the proportion equation
321,819.36 : 482,732.49 = 97,181.74 : x - Step 2: Convert to fraction form
321,819.36/482,732.49 = 97,181.74/x - Step 3: Cross multiply
321,819.36x = 482,732.49 × 97,181.74 - Step 4: Simplify right side
321,819.36x = 46,912,782,366.55 - Step 5: Solve for x
x = 46,912,782,366.55/321,819.36 - Step 6: Final answer
x = 145,773.65
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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.