Finding the Fourth Proportional to 178,752.13, 246,679.97 and 98,181.54
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Solution
The fourth proportional to 178,752.13, 246,679.97 and 98,181.54 is: 135,491.64
Step by Step Solution
- Step 1: Write the proportion equation
178,752.13 : 246,679.97 = 98,181.54 : x - Step 2: Convert to fraction form
178,752.13/246,679.97 = 98,181.54/x - Step 3: Cross multiply
178,752.13x = 246,679.97 × 98,181.54 - Step 4: Simplify right side
178,752.13x = 24,219,418,850.85 - Step 5: Solve for x
x = 24,219,418,850.85/178,752.13 - Step 6: Final answer
x = 135,491.64
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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.