Finding the Fourth Proportional to 246,369.09, 339,989.81 and 133,191.84
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Solution
The fourth proportional to 246,369.09, 339,989.81 and 133,191.84 is: 183,804.99
Step by Step Solution
- Step 1: Write the proportion equation
246,369.09 : 339,989.81 = 133,191.84 : x - Step 2: Convert to fraction form
246,369.09/339,989.81 = 133,191.84/x - Step 3: Cross multiply
246,369.09x = 339,989.81 × 133,191.84 - Step 4: Simplify right side
246,369.09x = 45,283,868,984.15 - Step 5: Solve for x
x = 45,283,868,984.15/246,369.09 - Step 6: Final answer
x = 183,804.99
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1.5x scale
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.