Finding the Fourth Proportional to 638,261.10, 880,553.43 and 366,230.70
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Solution
The fourth proportional to 638,261.10, 880,553.43 and 366,230.70 is: 505,256.70
Step by Step Solution
- Step 1: Write the proportion equation
638,261.10 : 880,553.43 = 366,230.70 : x - Step 2: Convert to fraction form
638,261.10/880,553.43 = 366,230.70/x - Step 3: Cross multiply
638,261.10x = 880,553.43 × 366,230.70 - Step 4: Simplify right side
638,261.10x = 322,485,699,056.30 - Step 5: Solve for x
x = 322,485,699,056.30/638,261.10 - Step 6: Final answer
x = 505,256.70
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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.