Finding the Fourth Proportional to 178,932.96, 246,940.56 and 107,311.44
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Solution
The fourth proportional to 178,932.96, 246,940.56 and 107,311.44 is: 148,097.63
Step by Step Solution
- Step 1: Write the proportion equation
178,932.96 : 246,940.56 = 107,311.44 : x - Step 2: Convert to fraction form
178,932.96/246,940.56 = 107,311.44/x - Step 3: Cross multiply
178,932.96x = 246,940.56 × 107,311.44 - Step 4: Simplify right side
178,932.96x = 26,499,547,088.01 - Step 5: Solve for x
x = 26,499,547,088.01/178,932.96 - Step 6: Final answer
x = 148,097.63
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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.