Finding the Fourth Proportional to 321,424.52, 482,041.74 and 121,596.68
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Solution
The fourth proportional to 321,424.52, 482,041.74 and 121,596.68 is: 182,359.07
Step by Step Solution
- Step 1: Write the proportion equation
321,424.52 : 482,041.74 = 121,596.68 : x - Step 2: Convert to fraction form
321,424.52/482,041.74 = 121,596.68/x - Step 3: Cross multiply
321,424.52x = 482,041.74 × 121,596.68 - Step 4: Simplify right side
321,424.52x = 58,614,675,205.42 - Step 5: Solve for x
x = 58,614,675,205.42/321,424.52 - Step 6: Final answer
x = 182,359.07
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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.