Finding the Fourth Proportional to 178,769.71, 246,701.29 and 98,196.99
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Solution
The fourth proportional to 178,769.71, 246,701.29 and 98,196.99 is: 135,511.35
Step by Step Solution
- Step 1: Write the proportion equation
178,769.71 : 246,701.29 = 98,196.99 : x - Step 2: Convert to fraction form
178,769.71/246,701.29 = 98,196.99/x - Step 3: Cross multiply
178,769.71x = 246,701.29 × 98,196.99 - Step 4: Simplify right side
178,769.71x = 24,225,324,107.12 - Step 5: Solve for x
x = 24,225,324,107.12/178,769.71 - Step 6: Final answer
x = 135,511.35
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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.