Finding the Fourth Proportional to 146,494.19, 219,763.23 and 53,021.81
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Solution
The fourth proportional to 146,494.19, 219,763.23 and 53,021.81 is: 79,540.66
Step by Step Solution
- Step 1: Write the proportion equation
146,494.19 : 219,763.23 = 53,021.81 : x - Step 2: Convert to fraction form
146,494.19/219,763.23 = 53,021.81/x - Step 3: Cross multiply
146,494.19x = 219,763.23 × 53,021.81 - Step 4: Simplify right side
146,494.19x = 11,652,244,226.05 - Step 5: Solve for x
x = 11,652,244,226.05/146,494.19 - Step 6: Final answer
x = 79,540.66
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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.