Finding the Fourth Proportional to 321,237.15, 482,073.68 and 171,584.92
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Solution
The fourth proportional to 321,237.15, 482,073.68 and 171,584.92 is: 257,493.80
Step by Step Solution
- Step 1: Write the proportion equation
321,237.15 : 482,073.68 = 171,584.92 : x - Step 2: Convert to fraction form
321,237.15/482,073.68 = 171,584.92/x - Step 3: Cross multiply
321,237.15x = 482,073.68 × 171,584.92 - Step 4: Simplify right side
321,237.15x = 82,716,573,816.91 - Step 5: Solve for x
x = 82,716,573,816.91/321,237.15 - Step 6: Final answer
x = 257,493.80
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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.