Finding the Fourth Proportional to 321,424.02, 482,040.99 and 121,596.18
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Solution
The fourth proportional to 321,424.02, 482,040.99 and 121,596.18 is: 182,358.32
Step by Step Solution
- Step 1: Write the proportion equation
321,424.02 : 482,040.99 = 121,596.18 : x - Step 2: Convert to fraction form
321,424.02/482,040.99 = 121,596.18/x - Step 3: Cross multiply
321,424.02x = 482,040.99 × 121,596.18 - Step 4: Simplify right side
321,424.02x = 58,614,342,987.42 - Step 5: Solve for x
x = 58,614,342,987.42/321,424.02 - Step 6: Final answer
x = 182,358.32
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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.