Finding the Fourth Proportional to 664,008.60, 995,915.70 and 190,644.60
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Solution
The fourth proportional to 664,008.60, 995,915.70 and 190,644.60 is: 285,938.99
Step by Step Solution
- Step 1: Write the proportion equation
664,008.60 : 995,915.70 = 190,644.60 : x - Step 2: Convert to fraction form
664,008.60/995,915.70 = 190,644.60/x - Step 3: Cross multiply
664,008.60x = 995,915.70 × 190,644.60 - Step 4: Simplify right side
664,008.60x = 189,865,950,260.22 - Step 5: Solve for x
x = 189,865,950,260.22/664,008.60 - Step 6: Final answer
x = 285,938.99
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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.