Finding the Fourth Proportional to 402,231.98, 554,625.25 and 256,846.60
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Solution
The fourth proportional to 402,231.98, 554,625.25 and 256,846.60 is: 354,157.84
Step by Step Solution
- Step 1: Write the proportion equation
402,231.98 : 554,625.25 = 256,846.60 : x - Step 2: Convert to fraction form
402,231.98/554,625.25 = 256,846.60/x - Step 3: Cross multiply
402,231.98x = 554,625.25 × 256,846.60 - Step 4: Simplify right side
402,231.98x = 142,453,607,390.43 - Step 5: Solve for x
x = 142,453,607,390.43/402,231.98 - Step 6: Final answer
x = 354,157.84
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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.