Finding the Fourth Proportional to 178,850.16, 246,910.68 and 125,299.44
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Solution
The fourth proportional to 178,850.16, 246,910.68 and 125,299.44 is: 172,981.51
Step by Step Solution
- Step 1: Write the proportion equation
178,850.16 : 246,910.68 = 125,299.44 : x - Step 2: Convert to fraction form
178,850.16/246,910.68 = 125,299.44/x - Step 3: Cross multiply
178,850.16x = 246,910.68 × 125,299.44 - Step 4: Simplify right side
178,850.16x = 30,937,769,934.02 - Step 5: Solve for x
x = 30,937,769,934.02/178,850.16 - Step 6: Final answer
x = 172,981.51
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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.