Finding the Fourth Proportional to 178,671.08, 246,517.92 and 102,174.39
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Solution
The fourth proportional to 178,671.08, 246,517.92 and 102,174.39 is: 140,973.12
Step by Step Solution
- Step 1: Write the proportion equation
178,671.08 : 246,517.92 = 102,174.39 : x - Step 2: Convert to fraction form
178,671.08/246,517.92 = 102,174.39/x - Step 3: Cross multiply
178,671.08x = 246,517.92 × 102,174.39 - Step 4: Simplify right side
178,671.08x = 25,187,818,100.07 - Step 5: Solve for x
x = 25,187,818,100.07/178,671.08 - Step 6: Final answer
x = 140,973.12
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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.