Finding the Fourth Proportional to 356,763.99, 492,315.39 and 203,772.14
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Solution
The fourth proportional to 356,763.99, 492,315.39 and 203,772.14 is: 281,194.75
Step by Step Solution
- Step 1: Write the proportion equation
356,763.99 : 492,315.39 = 203,772.14 : x - Step 2: Convert to fraction form
356,763.99/492,315.39 = 203,772.14/x - Step 3: Cross multiply
356,763.99x = 492,315.39 × 203,772.14 - Step 4: Simplify right side
356,763.99x = 100,320,160,575.24 - Step 5: Solve for x
x = 100,320,160,575.24/356,763.99 - Step 6: Final answer
x = 281,194.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.