Finding the Fourth Proportional to 178,760.12, 246,678.06 and 98,171.96
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Solution
The fourth proportional to 178,760.12, 246,678.06 and 98,171.96 is: 135,471.32
Step by Step Solution
- Step 1: Write the proportion equation
178,760.12 : 246,678.06 = 98,171.96 : x - Step 2: Convert to fraction form
178,760.12/246,678.06 = 98,171.96/x - Step 3: Cross multiply
178,760.12x = 246,678.06 × 98,171.96 - Step 4: Simplify right side
178,760.12x = 24,216,868,639.20 - Step 5: Solve for x
x = 24,216,868,639.20/178,760.12 - Step 6: Final answer
x = 135,471.32
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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.