Finding the Fourth Proportional to 664,006.60, 995,912.70 and 190,642.60
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Solution
The fourth proportional to 664,006.60, 995,912.70 and 190,642.60 is: 285,935.99
Step by Step Solution
- Step 1: Write the proportion equation
664,006.60 : 995,912.70 = 190,642.60 : x - Step 2: Convert to fraction form
664,006.60/995,912.70 = 190,642.60/x - Step 3: Cross multiply
664,006.60x = 995,912.70 × 190,642.60 - Step 4: Simplify right side
664,006.60x = 189,863,386,501.02 - Step 5: Solve for x
x = 189,863,386,501.02/664,006.60 - Step 6: Final answer
x = 285,935.99
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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.