Finding the Fourth Proportional to 178,680.99, 246,578.04 and 98,107.81
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Solution
The fourth proportional to 178,680.99, 246,578.04 and 98,107.81 is: 135,387.83
Step by Step Solution
- Step 1: Write the proportion equation
178,680.99 : 246,578.04 = 98,107.81 : x - Step 2: Convert to fraction form
178,680.99/246,578.04 = 98,107.81/x - Step 3: Cross multiply
178,680.99x = 246,578.04 × 98,107.81 - Step 4: Simplify right side
178,680.99x = 24,191,231,498.49 - Step 5: Solve for x
x = 24,191,231,498.49/178,680.99 - Step 6: Final answer
x = 135,387.83
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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.