Finding the Fourth Proportional to 451,310.99, 623,092.32 and 290,445.62
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Solution
The fourth proportional to 451,310.99, 623,092.32 and 290,445.62 is: 400,997.18
Step by Step Solution
- Step 1: Write the proportion equation
451,310.99 : 623,092.32 = 290,445.62 : x - Step 2: Convert to fraction form
451,310.99/623,092.32 = 290,445.62/x - Step 3: Cross multiply
451,310.99x = 623,092.32 × 290,445.62 - Step 4: Simplify right side
451,310.99x = 180,974,432,084.18 - Step 5: Solve for x
x = 180,974,432,084.18/451,310.99 - Step 6: Final answer
x = 400,997.18
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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.