Finding the Fourth Proportional to 178,741.44, 246,669.84 and 98,171.28
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Solution
The fourth proportional to 178,741.44, 246,669.84 and 98,171.28 is: 135,480.02
Step by Step Solution
- Step 1: Write the proportion equation
178,741.44 : 246,669.84 = 98,171.28 : x - Step 2: Convert to fraction form
178,741.44/246,669.84 = 98,171.28/x - Step 3: Cross multiply
178,741.44x = 246,669.84 × 98,171.28 - Step 4: Simplify right side
178,741.44x = 24,215,893,930.20 - Step 5: Solve for x
x = 24,215,893,930.20/178,741.44 - Step 6: Final answer
x = 135,480.02
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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.