Finding the Fourth Proportional to 146,123.38, 219,106.09 and 51,329.08
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Solution
The fourth proportional to 146,123.38, 219,106.09 and 51,329.08 is: 76,965.88
Step by Step Solution
- Step 1: Write the proportion equation
146,123.38 : 219,106.09 = 51,329.08 : x - Step 2: Convert to fraction form
146,123.38/219,106.09 = 51,329.08/x - Step 3: Cross multiply
146,123.38x = 219,106.09 × 51,329.08 - Step 4: Simplify right side
146,123.38x = 11,246,514,022.10 - Step 5: Solve for x
x = 11,246,514,022.10/146,123.38 - Step 6: Final answer
x = 76,965.88
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1.5x scale
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.