Finding the Fourth Proportional to 496,548.80, 744,823.20 and 122,571.80
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Solution
The fourth proportional to 496,548.80, 744,823.20 and 122,571.80 is: 183,857.70
Step by Step Solution
- Step 1: Write the proportion equation
496,548.80 : 744,823.20 = 122,571.80 : x - Step 2: Convert to fraction form
496,548.80/744,823.20 = 122,571.80/x - Step 3: Cross multiply
496,548.80x = 744,823.20 × 122,571.80 - Step 4: Simplify right side
496,548.80x = 91,294,320,305.76 - Step 5: Solve for x
x = 91,294,320,305.76/496,548.80 - Step 6: Final answer
x = 183,857.70
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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.