Finding the Fourth Proportional to 178,676.78, 246,577.02 and 98,107.70
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Solution
The fourth proportional to 178,676.78, 246,577.02 and 98,107.70 is: 135,390.31
Step by Step Solution
- Step 1: Write the proportion equation
178,676.78 : 246,577.02 = 98,107.70 : x - Step 2: Convert to fraction form
178,676.78/246,577.02 = 98,107.70/x - Step 3: Cross multiply
178,676.78x = 246,577.02 × 98,107.70 - Step 4: Simplify right side
178,676.78x = 24,191,104,305.05 - Step 5: Solve for x
x = 24,191,104,305.05/178,676.78 - Step 6: Final answer
x = 135,390.31
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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.