Finding the Fourth Proportional to 146,233.83, 219,323.07 and 71,278.68
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Solution
The fourth proportional to 146,233.83, 219,323.07 and 71,278.68 is: 106,904.53
Step by Step Solution
- Step 1: Write the proportion equation
146,233.83 : 219,323.07 = 71,278.68 : x - Step 2: Convert to fraction form
146,233.83/219,323.07 = 71,278.68/x - Step 3: Cross multiply
146,233.83x = 219,323.07 × 71,278.68 - Step 4: Simplify right side
146,233.83x = 15,633,058,923.15 - Step 5: Solve for x
x = 15,633,058,923.15/146,233.83 - Step 6: Final answer
x = 106,904.53
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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.