Finding the Fourth Proportional to 178,701.12, 246,587.09 and 106,078.14
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Solution
The fourth proportional to 178,701.12, 246,587.09 and 106,078.14 is: 146,375.69
Step by Step Solution
- Step 1: Write the proportion equation
178,701.12 : 246,587.09 = 106,078.14 : x - Step 2: Convert to fraction form
178,701.12/246,587.09 = 106,078.14/x - Step 3: Cross multiply
178,701.12x = 246,587.09 × 106,078.14 - Step 4: Simplify right side
178,701.12x = 26,157,499,324.82 - Step 5: Solve for x
x = 26,157,499,324.82/178,701.12 - Step 6: Final answer
x = 146,375.69
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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.