Finding the Fourth Proportional to 146,125.38, 219,109.08 and 51,331.08
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Solution
The fourth proportional to 146,125.38, 219,109.08 and 51,331.08 is: 76,968.87
Step by Step Solution
- Step 1: Write the proportion equation
146,125.38 : 219,109.08 = 51,331.08 : x - Step 2: Convert to fraction form
146,125.38/219,109.08 = 51,331.08/x - Step 3: Cross multiply
146,125.38x = 219,109.08 × 51,331.08 - Step 4: Simplify right side
146,125.38x = 11,247,105,714.21 - Step 5: Solve for x
x = 11,247,105,714.21/146,125.38 - Step 6: Final answer
x = 76,968.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.