Finding the Fourth Proportional to 178,556.46, 246,411.63 and 97,979.28
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Solution
The fourth proportional to 178,556.46, 246,411.63 and 97,979.28 is: 135,213.45
Step by Step Solution
- Step 1: Write the proportion equation
178,556.46 : 246,411.63 = 97,979.28 : x - Step 2: Convert to fraction form
178,556.46/246,411.63 = 97,979.28/x - Step 3: Cross multiply
178,556.46x = 246,411.63 × 97,979.28 - Step 4: Simplify right side
178,556.46x = 24,143,234,091.03 - Step 5: Solve for x
x = 24,143,234,091.03/178,556.46 - Step 6: Final answer
x = 135,213.45
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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.