Finding the Fourth Proportional to 178,424.16, 246,207.60 and 102,996.96
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Solution
The fourth proportional to 178,424.16, 246,207.60 and 102,996.96 is: 142,125.56
Step by Step Solution
- Step 1: Write the proportion equation
178,424.16 : 246,207.60 = 102,996.96 : x - Step 2: Convert to fraction form
178,424.16/246,207.60 = 102,996.96/x - Step 3: Cross multiply
178,424.16x = 246,207.60 × 102,996.96 - Step 4: Simplify right side
178,424.16x = 25,358,634,328.90 - Step 5: Solve for x
x = 25,358,634,328.90/178,424.16 - Step 6: Final answer
x = 142,125.56
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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.